Home / 439,789.80-606,535.20-338,061.48

Finding the Fourth Proportional to 439,789.80, 606,535.20 and 338,061.48

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Solution

The fourth proportional to 439,789.80, 606,535.20 and 338,061.48 is: 466,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,789.80 : 606,535.20 = 338,061.48 : x
  2. Step 2: Convert to fraction form
    439,789.80/606,535.20 = 338,061.48/x
  3. Step 3: Cross multiply
    439,789.80x = 606,535.20 × 338,061.48
  4. Step 4: Simplify right side
    439,789.80x = 205,046,187,384.10
  5. Step 5: Solve for x
    x = 205,046,187,384.10/439,789.80
  6. Step 6: Final answer
    x = 466,236.80

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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.