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Finding the Fourth Proportional to 555,689.28, 766,847.52 and 301,034.56

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Solution

The fourth proportional to 555,689.28, 766,847.52 and 301,034.56 is: 415,425.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,689.28 : 766,847.52 = 301,034.56 : x
  2. Step 2: Convert to fraction form
    555,689.28/766,847.52 = 301,034.56/x
  3. Step 3: Cross multiply
    555,689.28x = 766,847.52 × 301,034.56
  4. Step 4: Simplify right side
    555,689.28x = 230,847,605,770.29
  5. Step 5: Solve for x
    x = 230,847,605,770.29/555,689.28
  6. Step 6: Final answer
    x = 415,425.70

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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.