Home / 836,471.40-1,253,023.10-386,572.68

Finding the Fourth Proportional to 836,471.40, 1,253,023.10 and 386,572.68

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Solution

The fourth proportional to 836,471.40, 1,253,023.10 and 386,572.68 is: 579,080.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,471.40 : 1,253,023.10 = 386,572.68 : x
  2. Step 2: Convert to fraction form
    836,471.40/1,253,023.10 = 386,572.68/x
  3. Step 3: Cross multiply
    836,471.40x = 1,253,023.10 × 386,572.68
  4. Step 4: Simplify right side
    836,471.40x = 484,384,497,868.91
  5. Step 5: Solve for x
    x = 484,384,497,868.91/836,471.40
  6. Step 6: Final answer
    x = 579,080.76

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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.