Home / 538,821.27-743,546.68-306,217.93

Finding the Fourth Proportional to 538,821.27, 743,546.68 and 306,217.93

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Solution

The fourth proportional to 538,821.27, 743,546.68 and 306,217.93 is: 422,565.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,821.27 : 743,546.68 = 306,217.93 : x
  2. Step 2: Convert to fraction form
    538,821.27/743,546.68 = 306,217.93/x
  3. Step 3: Cross multiply
    538,821.27x = 743,546.68 × 306,217.93
  4. Step 4: Simplify right side
    538,821.27x = 227,687,326,530.49
  5. Step 5: Solve for x
    x = 227,687,326,530.49/538,821.27
  6. Step 6: Final answer
    x = 422,565.59

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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.