Home / 747,748.74-1,031,854.23-408,151.38

Finding the Fourth Proportional to 747,748.74, 1,031,854.23 and 408,151.38

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Solution

The fourth proportional to 747,748.74, 1,031,854.23 and 408,151.38 is: 563,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,748.74 : 1,031,854.23 = 408,151.38 : x
  2. Step 2: Convert to fraction form
    747,748.74/1,031,854.23 = 408,151.38/x
  3. Step 3: Cross multiply
    747,748.74x = 1,031,854.23 × 408,151.38
  4. Step 4: Simplify right side
    747,748.74x = 421,152,727,933.34
  5. Step 5: Solve for x
    x = 421,152,727,933.34/747,748.74
  6. Step 6: Final answer
    x = 563,227.60

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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.