Home / 752,111.04-1,128,245.66-219,633.56

Finding the Fourth Proportional to 752,111.04, 1,128,245.66 and 219,633.56

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Solution

The fourth proportional to 752,111.04, 1,128,245.66 and 219,633.56 is: 329,473.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,111.04 : 1,128,245.66 = 219,633.56 : x
  2. Step 2: Convert to fraction form
    752,111.04/1,128,245.66 = 219,633.56/x
  3. Step 3: Cross multiply
    752,111.04x = 1,128,245.66 × 219,633.56
  4. Step 4: Simplify right side
    752,111.04x = 247,800,610,860.35
  5. Step 5: Solve for x
    x = 247,800,610,860.35/752,111.04
  6. Step 6: Final answer
    x = 329,473.44

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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.