Home / 645,251.80-967,100.10-329,546.20

Finding the Fourth Proportional to 645,251.80, 967,100.10 and 329,546.20

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Solution

The fourth proportional to 645,251.80, 967,100.10 and 329,546.20 is: 493,922.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,251.80 : 967,100.10 = 329,546.20 : x
  2. Step 2: Convert to fraction form
    645,251.80/967,100.10 = 329,546.20/x
  3. Step 3: Cross multiply
    645,251.80x = 967,100.10 × 329,546.20
  4. Step 4: Simplify right side
    645,251.80x = 318,704,162,974.62
  5. Step 5: Solve for x
    x = 318,704,162,974.62/645,251.80
  6. Step 6: Final answer
    x = 493,922.16

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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.