Home / 786,752.80-1,180,129.20-254,655.70

Finding the Fourth Proportional to 786,752.80, 1,180,129.20 and 254,655.70

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Solution

The fourth proportional to 786,752.80, 1,180,129.20 and 254,655.70 is: 381,983.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,752.80 : 1,180,129.20 = 254,655.70 : x
  2. Step 2: Convert to fraction form
    786,752.80/1,180,129.20 = 254,655.70/x
  3. Step 3: Cross multiply
    786,752.80x = 1,180,129.20 × 254,655.70
  4. Step 4: Simplify right side
    786,752.80x = 300,526,627,516.44
  5. Step 5: Solve for x
    x = 300,526,627,516.44/786,752.80
  6. Step 6: Final answer
    x = 381,983.55

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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.