Home / 724,687.89-1,000,098.05-418,754.13

Finding the Fourth Proportional to 724,687.89, 1,000,098.05 and 418,754.13

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Solution

The fourth proportional to 724,687.89, 1,000,098.05 and 418,754.13 is: 577,897.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,687.89 : 1,000,098.05 = 418,754.13 : x
  2. Step 2: Convert to fraction form
    724,687.89/1,000,098.05 = 418,754.13/x
  3. Step 3: Cross multiply
    724,687.89x = 1,000,098.05 × 418,754.13
  4. Step 4: Simplify right side
    724,687.89x = 418,795,188,842.45
  5. Step 5: Solve for x
    x = 418,795,188,842.45/724,687.89
  6. Step 6: Final answer
    x = 577,897.32

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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.