Home / 891,116.92-1,337,025.48-392,131

Finding the Fourth Proportional to 891,116.92, 1,337,025.48 and 392,131

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Solution

The fourth proportional to 891,116.92, 1,337,025.48 and 392,131 is: 588,350.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,116.92 : 1,337,025.48 = 392,131 : x
  2. Step 2: Convert to fraction form
    891,116.92/1,337,025.48 = 392,131/x
  3. Step 3: Cross multiply
    891,116.92x = 1,337,025.48 × 392,131
  4. Step 4: Simplify right side
    891,116.92x = 524,289,138,497.88
  5. Step 5: Solve for x
    x = 524,289,138,497.88/891,116.92
  6. Step 6: Final answer
    x = 588,350.56

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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.