Home / 752,405.92-1,128,838.52-240,057.43

Finding the Fourth Proportional to 752,405.92, 1,128,838.52 and 240,057.43

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Solution

The fourth proportional to 752,405.92, 1,128,838.52 and 240,057.43 is: 360,159.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,405.92 : 1,128,838.52 = 240,057.43 : x
  2. Step 2: Convert to fraction form
    752,405.92/1,128,838.52 = 240,057.43/x
  3. Step 3: Cross multiply
    752,405.92x = 1,128,838.52 × 240,057.43
  4. Step 4: Simplify right side
    752,405.92x = 270,986,069,973.82
  5. Step 5: Solve for x
    x = 270,986,069,973.82/752,405.92
  6. Step 6: Final answer
    x = 360,159.41

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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.