Home / 752,110.65-1,128,245.04-219,633.17

Finding the Fourth Proportional to 752,110.65, 1,128,245.04 and 219,633.17

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Solution

The fourth proportional to 752,110.65, 1,128,245.04 and 219,633.17 is: 329,472.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,110.65 : 1,128,245.04 = 219,633.17 : x
  2. Step 2: Convert to fraction form
    752,110.65/1,128,245.04 = 219,633.17/x
  3. Step 3: Cross multiply
    752,110.65x = 1,128,245.04 × 219,633.17
  4. Step 4: Simplify right side
    752,110.65x = 247,800,029,030.75
  5. Step 5: Solve for x
    x = 247,800,029,030.75/752,110.65
  6. Step 6: Final answer
    x = 329,472.84

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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.