Home / 538,716.18-743,516.10-324,073.20

Finding the Fourth Proportional to 538,716.18, 743,516.10 and 324,073.20

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Solution

The fourth proportional to 538,716.18, 743,516.10 and 324,073.20 is: 447,273.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,716.18 : 743,516.10 = 324,073.20 : x
  2. Step 2: Convert to fraction form
    538,716.18/743,516.10 = 324,073.20/x
  3. Step 3: Cross multiply
    538,716.18x = 743,516.10 × 324,073.20
  4. Step 4: Simplify right side
    538,716.18x = 240,953,641,778.52
  5. Step 5: Solve for x
    x = 240,953,641,778.52/538,716.18
  6. Step 6: Final answer
    x = 447,273.82

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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.