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Finding the Fourth Proportional to 662,956.79, 994,930.43 and 449,217.90

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Solution

The fourth proportional to 662,956.79, 994,930.43 and 449,217.90 is: 674,162.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,956.79 : 994,930.43 = 449,217.90 : x
  2. Step 2: Convert to fraction form
    662,956.79/994,930.43 = 449,217.90/x
  3. Step 3: Cross multiply
    662,956.79x = 994,930.43 × 449,217.90
  4. Step 4: Simplify right side
    662,956.79x = 446,940,556,164.61
  5. Step 5: Solve for x
    x = 446,940,556,164.61/662,956.79
  6. Step 6: Final answer
    x = 674,162.43

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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.