Home / 744,311.20-1,116,466.80-371,063.20

Finding the Fourth Proportional to 744,311.20, 1,116,466.80 and 371,063.20

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Solution

The fourth proportional to 744,311.20, 1,116,466.80 and 371,063.20 is: 556,594.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,311.20 : 1,116,466.80 = 371,063.20 : x
  2. Step 2: Convert to fraction form
    744,311.20/1,116,466.80 = 371,063.20/x
  3. Step 3: Cross multiply
    744,311.20x = 1,116,466.80 × 371,063.20
  4. Step 4: Simplify right side
    744,311.20x = 414,279,743,501.76
  5. Step 5: Solve for x
    x = 414,279,743,501.76/744,311.20
  6. Step 6: Final answer
    x = 556,594.80

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Double scale
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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.