Home / 754,660.82-1,131,534.07-338,655.59

Finding the Fourth Proportional to 754,660.82, 1,131,534.07 and 338,655.59

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Solution

The fourth proportional to 754,660.82, 1,131,534.07 and 338,655.59 is: 507,778.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,660.82 : 1,131,534.07 = 338,655.59 : x
  2. Step 2: Convert to fraction form
    754,660.82/1,131,534.07 = 338,655.59/x
  3. Step 3: Cross multiply
    754,660.82x = 1,131,534.07 × 338,655.59
  4. Step 4: Simplify right side
    754,660.82x = 383,200,335,819.90
  5. Step 5: Solve for x
    x = 383,200,335,819.90/754,660.82
  6. Step 6: Final answer
    x = 507,778.23

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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.