Home / 558,732.20-838,098.30-203,757.80

Finding the Fourth Proportional to 558,732.20, 838,098.30 and 203,757.80

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Solution

The fourth proportional to 558,732.20, 838,098.30 and 203,757.80 is: 305,636.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,732.20 : 838,098.30 = 203,757.80 : x
  2. Step 2: Convert to fraction form
    558,732.20/838,098.30 = 203,757.80/x
  3. Step 3: Cross multiply
    558,732.20x = 838,098.30 × 203,757.80
  4. Step 4: Simplify right side
    558,732.20x = 170,769,065,791.74
  5. Step 5: Solve for x
    x = 170,769,065,791.74/558,732.20
  6. Step 6: Final answer
    x = 305,636.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.