Home / 574,257.20-861,444.72-219,569.54

Finding the Fourth Proportional to 574,257.20, 861,444.72 and 219,569.54

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Solution

The fourth proportional to 574,257.20, 861,444.72 and 219,569.54 is: 329,376.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,257.20 : 861,444.72 = 219,569.54 : x
  2. Step 2: Convert to fraction form
    574,257.20/861,444.72 = 219,569.54/x
  3. Step 3: Cross multiply
    574,257.20x = 861,444.72 × 219,569.54
  4. Step 4: Simplify right side
    574,257.20x = 189,147,016,598.61
  5. Step 5: Solve for x
    x = 189,147,016,598.61/574,257.20
  6. Step 6: Final answer
    x = 329,376.83

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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.