Home / 838,414.24-1,157,162.54-494,229.65

Finding the Fourth Proportional to 838,414.24, 1,157,162.54 and 494,229.65

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Solution

The fourth proportional to 838,414.24, 1,157,162.54 and 494,229.65 is: 682,125.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,414.24 : 1,157,162.54 = 494,229.65 : x
  2. Step 2: Convert to fraction form
    838,414.24/1,157,162.54 = 494,229.65/x
  3. Step 3: Cross multiply
    838,414.24x = 1,157,162.54 × 494,229.65
  4. Step 4: Simplify right side
    838,414.24x = 571,904,040,254.44
  5. Step 5: Solve for x
    x = 571,904,040,254.44/838,414.24
  6. Step 6: Final answer
    x = 682,125.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.