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Finding the Fourth Proportional to 663,241.89, 994,765.67 and 326,191.92

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Solution

The fourth proportional to 663,241.89, 994,765.67 and 326,191.92 is: 489,240.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,241.89 : 994,765.67 = 326,191.92 : x
  2. Step 2: Convert to fraction form
    663,241.89/994,765.67 = 326,191.92/x
  3. Step 3: Cross multiply
    663,241.89x = 994,765.67 × 326,191.92
  4. Step 4: Simplify right side
    663,241.89x = 324,484,523,847.39
  5. Step 5: Solve for x
    x = 324,484,523,847.39/663,241.89
  6. Step 6: Final answer
    x = 489,240.09

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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.