Home / 538,581.96-743,209.56-296,866.44

Finding the Fourth Proportional to 538,581.96, 743,209.56 and 296,866.44

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Solution

The fourth proportional to 538,581.96, 743,209.56 and 296,866.44 is: 409,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,581.96 : 743,209.56 = 296,866.44 : x
  2. Step 2: Convert to fraction form
    538,581.96/743,209.56 = 296,866.44/x
  3. Step 3: Cross multiply
    538,581.96x = 743,209.56 × 296,866.44
  4. Step 4: Simplify right side
    538,581.96x = 220,633,976,251.17
  5. Step 5: Solve for x
    x = 220,633,976,251.17/538,581.96
  6. Step 6: Final answer
    x = 409,657.20

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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.