Home / 731,691.92-1,009,892.52-445,304.08

Finding the Fourth Proportional to 731,691.92, 1,009,892.52 and 445,304.08

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Solution

The fourth proportional to 731,691.92, 1,009,892.52 and 445,304.08 is: 614,615.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,691.92 : 1,009,892.52 = 445,304.08 : x
  2. Step 2: Convert to fraction form
    731,691.92/1,009,892.52 = 445,304.08/x
  3. Step 3: Cross multiply
    731,691.92x = 1,009,892.52 × 445,304.08
  4. Step 4: Simplify right side
    731,691.92x = 449,709,259,517.48
  5. Step 5: Solve for x
    x = 449,709,259,517.48/731,691.92
  6. Step 6: Final answer
    x = 614,615.59

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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.