Home / 440,764.50-660,589.04-216,072.12

Finding the Fourth Proportional to 440,764.50, 660,589.04 and 216,072.12

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Solution

The fourth proportional to 440,764.50, 660,589.04 and 216,072.12 is: 323,834.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,764.50 : 660,589.04 = 216,072.12 : x
  2. Step 2: Convert to fraction form
    440,764.50/660,589.04 = 216,072.12/x
  3. Step 3: Cross multiply
    440,764.50x = 660,589.04 × 216,072.12
  4. Step 4: Simplify right side
    440,764.50x = 142,734,874,321.57
  5. Step 5: Solve for x
    x = 142,734,874,321.57/440,764.50
  6. Step 6: Final answer
    x = 323,834.78

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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.