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Finding the Fourth Proportional to 539,010.60, 743,833.38 and 324,275.28

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Solution

The fourth proportional to 539,010.60, 743,833.38 and 324,275.28 is: 447,499.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,010.60 : 743,833.38 = 324,275.28 : x
  2. Step 2: Convert to fraction form
    539,010.60/743,833.38 = 324,275.28/x
  3. Step 3: Cross multiply
    539,010.60x = 743,833.38 × 324,275.28
  4. Step 4: Simplify right side
    539,010.60x = 241,206,777,572.85
  5. Step 5: Solve for x
    x = 241,206,777,572.85/539,010.60
  6. Step 6: Final answer
    x = 447,499.14

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1.5x scale

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.