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Finding the Fourth Proportional to 555,730.85, 766,909.32 and 301,082.04

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Solution

The fourth proportional to 555,730.85, 766,909.32 and 301,082.04 is: 415,493.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,730.85 : 766,909.32 = 301,082.04 : x
  2. Step 2: Convert to fraction form
    555,730.85/766,909.32 = 301,082.04/x
  3. Step 3: Cross multiply
    555,730.85x = 766,909.32 × 301,082.04
  4. Step 4: Simplify right side
    555,730.85x = 230,902,622,560.61
  5. Step 5: Solve for x
    x = 230,902,622,560.61/555,730.85
  6. Step 6: Final answer
    x = 415,493.62

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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.