Home / 752,372.70-1,128,559.05-219,872.22

Finding the Fourth Proportional to 752,372.70, 1,128,559.05 and 219,872.22

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Solution

The fourth proportional to 752,372.70, 1,128,559.05 and 219,872.22 is: 329,808.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,372.70 : 1,128,559.05 = 219,872.22 : x
  2. Step 2: Convert to fraction form
    752,372.70/1,128,559.05 = 219,872.22/x
  3. Step 3: Cross multiply
    752,372.70x = 1,128,559.05 × 219,872.22
  4. Step 4: Simplify right side
    752,372.70x = 248,138,783,724.59
  5. Step 5: Solve for x
    x = 248,138,783,724.59/752,372.70
  6. Step 6: Final answer
    x = 329,808.33

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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.