Home / 731,928.10-1,097,892.15-687,604.90

Finding the Fourth Proportional to 731,928.10, 1,097,892.15 and 687,604.90

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Solution

The fourth proportional to 731,928.10, 1,097,892.15 and 687,604.90 is: 1,031,407.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,928.10 : 1,097,892.15 = 687,604.90 : x
  2. Step 2: Convert to fraction form
    731,928.10/1,097,892.15 = 687,604.90/x
  3. Step 3: Cross multiply
    731,928.10x = 1,097,892.15 × 687,604.90
  4. Step 4: Simplify right side
    731,928.10x = 754,916,022,011.54
  5. Step 5: Solve for x
    x = 754,916,022,011.54/731,928.10
  6. Step 6: Final answer
    x = 1,031,407.35

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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.