Home / 728,732.88-1,092,749.04-413,105.04

Finding the Fourth Proportional to 728,732.88, 1,092,749.04 and 413,105.04

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Solution

The fourth proportional to 728,732.88, 1,092,749.04 and 413,105.04 is: 619,458.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,732.88 : 1,092,749.04 = 413,105.04 : x
  2. Step 2: Convert to fraction form
    728,732.88/1,092,749.04 = 413,105.04/x
  3. Step 3: Cross multiply
    728,732.88x = 1,092,749.04 × 413,105.04
  4. Step 4: Simplify right side
    728,732.88x = 451,420,135,879.16
  5. Step 5: Solve for x
    x = 451,420,135,879.16/728,732.88
  6. Step 6: Final answer
    x = 619,458.99

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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.