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Finding the Fourth Proportional to 672,729.72, 928,432.62 and 502,668.60

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Solution

The fourth proportional to 672,729.72, 928,432.62 and 502,668.60 is: 693,731.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,729.72 : 928,432.62 = 502,668.60 : x
  2. Step 2: Convert to fraction form
    672,729.72/928,432.62 = 502,668.60/x
  3. Step 3: Cross multiply
    672,729.72x = 928,432.62 × 502,668.60
  4. Step 4: Simplify right side
    672,729.72x = 466,693,925,289.73
  5. Step 5: Solve for x
    x = 466,693,925,289.73/672,729.72
  6. Step 6: Final answer
    x = 693,731.69

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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.