Home / 538,432.72-743,042.13-296,723.95

Finding the Fourth Proportional to 538,432.72, 743,042.13 and 296,723.95

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Solution

The fourth proportional to 538,432.72, 743,042.13 and 296,723.95 is: 409,481.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,432.72 : 743,042.13 = 296,723.95 : x
  2. Step 2: Convert to fraction form
    538,432.72/743,042.13 = 296,723.95/x
  3. Step 3: Cross multiply
    538,432.72x = 743,042.13 × 296,723.95
  4. Step 4: Simplify right side
    538,432.72x = 220,478,395,830.01
  5. Step 5: Solve for x
    x = 220,478,395,830.01/538,432.72
  6. Step 6: Final answer
    x = 409,481.79

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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.