Home / 747,763.74-1,031,874.90-408,166.38

Finding the Fourth Proportional to 747,763.74, 1,031,874.90 and 408,166.38

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Solution

The fourth proportional to 747,763.74, 1,031,874.90 and 408,166.38 is: 563,248.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,763.74 : 1,031,874.90 = 408,166.38 : x
  2. Step 2: Convert to fraction form
    747,763.74/1,031,874.90 = 408,166.38/x
  3. Step 3: Cross multiply
    747,763.74x = 1,031,874.90 × 408,166.38
  4. Step 4: Simplify right side
    747,763.74x = 421,176,642,545.86
  5. Step 5: Solve for x
    x = 421,176,642,545.86/747,763.74
  6. Step 6: Final answer
    x = 563,248.28

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Double scale
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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.