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Finding the Fourth Proportional to 502,515.72, 693,498.29 and 284,766.60

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Solution

The fourth proportional to 502,515.72, 693,498.29 and 284,766.60 is: 392,992.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,515.72 : 693,498.29 = 284,766.60 : x
  2. Step 2: Convert to fraction form
    502,515.72/693,498.29 = 284,766.60/x
  3. Step 3: Cross multiply
    502,515.72x = 693,498.29 × 284,766.60
  4. Step 4: Simplify right side
    502,515.72x = 197,485,148,725.28
  5. Step 5: Solve for x
    x = 197,485,148,725.28/502,515.72
  6. Step 6: Final answer
    x = 392,992.98

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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.