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Finding the Fourth Proportional to 663,315.52, 994,876.08 and 326,265.70

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Solution

The fourth proportional to 663,315.52, 994,876.08 and 326,265.70 is: 489,350.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,315.52 : 994,876.08 = 326,265.70 : x
  2. Step 2: Convert to fraction form
    663,315.52/994,876.08 = 326,265.70/x
  3. Step 3: Cross multiply
    663,315.52x = 994,876.08 × 326,265.70
  4. Step 4: Simplify right side
    663,315.52x = 324,593,940,654.46
  5. Step 5: Solve for x
    x = 324,593,940,654.46/663,315.52
  6. Step 6: Final answer
    x = 489,350.74

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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.