Home / 747,499.20-1,121,248.80-616,279.20

Finding the Fourth Proportional to 747,499.20, 1,121,248.80 and 616,279.20

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Solution

The fourth proportional to 747,499.20, 1,121,248.80 and 616,279.20 is: 924,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,499.20 : 1,121,248.80 = 616,279.20 : x
  2. Step 2: Convert to fraction form
    747,499.20/1,121,248.80 = 616,279.20/x
  3. Step 3: Cross multiply
    747,499.20x = 1,121,248.80 × 616,279.20
  4. Step 4: Simplify right side
    747,499.20x = 691,002,313,464.96
  5. Step 5: Solve for x
    x = 691,002,313,464.96/747,499.20
  6. Step 6: Final answer
    x = 924,418.80

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Double scale
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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.