Home / 724,469.30-1,086,668.88-275,155.10

Finding the Fourth Proportional to 724,469.30, 1,086,668.88 and 275,155.10

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Solution

The fourth proportional to 724,469.30, 1,086,668.88 and 275,155.10 is: 412,719.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,469.30 : 1,086,668.88 = 275,155.10 : x
  2. Step 2: Convert to fraction form
    724,469.30/1,086,668.88 = 275,155.10/x
  3. Step 3: Cross multiply
    724,469.30x = 1,086,668.88 × 275,155.10
  4. Step 4: Simplify right side
    724,469.30x = 299,002,484,343.29
  5. Step 5: Solve for x
    x = 299,002,484,343.29/724,469.30
  6. Step 6: Final answer
    x = 412,719.33

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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.