Home / 747,545.76-1,031,609.52-408,013.20

Finding the Fourth Proportional to 747,545.76, 1,031,609.52 and 408,013.20

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Solution

The fourth proportional to 747,545.76, 1,031,609.52 and 408,013.20 is: 563,056.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,545.76 : 1,031,609.52 = 408,013.20 : x
  2. Step 2: Convert to fraction form
    747,545.76/1,031,609.52 = 408,013.20/x
  3. Step 3: Cross multiply
    747,545.76x = 1,031,609.52 × 408,013.20
  4. Step 4: Simplify right side
    747,545.76x = 420,910,301,405.66
  5. Step 5: Solve for x
    x = 420,910,301,405.66/747,545.76
  6. Step 6: Final answer
    x = 563,056.24

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.