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Finding the Fourth Proportional to 498,433.68, 747,650.45 and 275,213.43

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Solution

The fourth proportional to 498,433.68, 747,650.45 and 275,213.43 is: 412,820.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,433.68 : 747,650.45 = 275,213.43 : x
  2. Step 2: Convert to fraction form
    498,433.68/747,650.45 = 275,213.43/x
  3. Step 3: Cross multiply
    498,433.68x = 747,650.45 × 275,213.43
  4. Step 4: Simplify right side
    498,433.68x = 205,763,445,473.58
  5. Step 5: Solve for x
    x = 205,763,445,473.58/498,433.68
  6. Step 6: Final answer
    x = 412,820.11

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Similar ratio
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1.5x scale

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.