Home / 802,129.20-1,203,149.52-269,595.28

Finding the Fourth Proportional to 802,129.20, 1,203,149.52 and 269,595.28

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Solution

The fourth proportional to 802,129.20, 1,203,149.52 and 269,595.28 is: 404,378.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,129.20 : 1,203,149.52 = 269,595.28 : x
  2. Step 2: Convert to fraction form
    802,129.20/1,203,149.52 = 269,595.28/x
  3. Step 3: Cross multiply
    802,129.20x = 1,203,149.52 × 269,595.28
  4. Step 4: Simplify right side
    802,129.20x = 324,363,431,726.27
  5. Step 5: Solve for x
    x = 324,363,431,726.27/802,129.20
  6. Step 6: Final answer
    x = 404,378.04

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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.