Home / 731,930.60-1,097,895.90-687,607.40

Finding the Fourth Proportional to 731,930.60, 1,097,895.90 and 687,607.40

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Solution

The fourth proportional to 731,930.60, 1,097,895.90 and 687,607.40 is: 1,031,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,930.60 : 1,097,895.90 = 687,607.40 : x
  2. Step 2: Convert to fraction form
    731,930.60/1,097,895.90 = 687,607.40/x
  3. Step 3: Cross multiply
    731,930.60x = 1,097,895.90 × 687,607.40
  4. Step 4: Simplify right side
    731,930.60x = 754,921,345,269.66
  5. Step 5: Solve for x
    x = 754,921,345,269.66/731,930.60
  6. Step 6: Final answer
    x = 1,031,411.10

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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.