Home / 724,010.04-999,127.44-418,150.80

Finding the Fourth Proportional to 724,010.04, 999,127.44 and 418,150.80

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Solution

The fourth proportional to 724,010.04, 999,127.44 and 418,150.80 is: 577,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,010.04 : 999,127.44 = 418,150.80 : x
  2. Step 2: Convert to fraction form
    724,010.04/999,127.44 = 418,150.80/x
  3. Step 3: Cross multiply
    724,010.04x = 999,127.44 × 418,150.80
  4. Step 4: Simplify right side
    724,010.04x = 417,785,938,337.95
  5. Step 5: Solve for x
    x = 417,785,938,337.95/724,010.04
  6. Step 6: Final answer
    x = 577,044.40

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.