Home / 752,103.33-1,128,234.07-219,625.85

Finding the Fourth Proportional to 752,103.33, 1,128,234.07 and 219,625.85

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Solution

The fourth proportional to 752,103.33, 1,128,234.07 and 219,625.85 is: 329,461.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,103.33 : 1,128,234.07 = 219,625.85 : x
  2. Step 2: Convert to fraction form
    752,103.33/1,128,234.07 = 219,625.85/x
  3. Step 3: Cross multiply
    752,103.33x = 1,128,234.07 × 219,625.85
  4. Step 4: Simplify right side
    752,103.33x = 247,789,362,136.12
  5. Step 5: Solve for x
    x = 247,789,362,136.12/752,103.33
  6. Step 6: Final answer
    x = 329,461.86

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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.