Home / 539,101.20-807,096.60-329,149.20

Finding the Fourth Proportional to 539,101.20, 807,096.60 and 329,149.20

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Solution

The fourth proportional to 539,101.20, 807,096.60 and 329,149.20 is: 492,774.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,101.20 : 807,096.60 = 329,149.20 : x
  2. Step 2: Convert to fraction form
    539,101.20/807,096.60 = 329,149.20/x
  3. Step 3: Cross multiply
    539,101.20x = 807,096.60 × 329,149.20
  4. Step 4: Simplify right side
    539,101.20x = 265,655,200,212.72
  5. Step 5: Solve for x
    x = 265,655,200,212.72/539,101.20
  6. Step 6: Final answer
    x = 492,774.27

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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.