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Finding the Fourth Proportional to 499,067.10, 748,600.65 and 274,340.70

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Solution

The fourth proportional to 499,067.10, 748,600.65 and 274,340.70 is: 411,511.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,067.10 : 748,600.65 = 274,340.70 : x
  2. Step 2: Convert to fraction form
    499,067.10/748,600.65 = 274,340.70/x
  3. Step 3: Cross multiply
    499,067.10x = 748,600.65 × 274,340.70
  4. Step 4: Simplify right side
    499,067.10x = 205,371,626,341.46
  5. Step 5: Solve for x
    x = 205,371,626,341.46/499,067.10
  6. Step 6: Final answer
    x = 411,511.05

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Similar ratio
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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.