Home / 753,152.20-1,129,728.30-254,516.20

Finding the Fourth Proportional to 753,152.20, 1,129,728.30 and 254,516.20

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Solution

The fourth proportional to 753,152.20, 1,129,728.30 and 254,516.20 is: 381,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,152.20 : 1,129,728.30 = 254,516.20 : x
  2. Step 2: Convert to fraction form
    753,152.20/1,129,728.30 = 254,516.20/x
  3. Step 3: Cross multiply
    753,152.20x = 1,129,728.30 × 254,516.20
  4. Step 4: Simplify right side
    753,152.20x = 287,534,153,948.46
  5. Step 5: Solve for x
    x = 287,534,153,948.46/753,152.20
  6. Step 6: Final answer
    x = 381,774.30

Related Problems

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Half scale
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Double scale
Find fourth proportional to 753,153.20, 1,129,729.80 and 254,517.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.