Home / 752,555.94-1,128,231.87-392,546.18

Finding the Fourth Proportional to 752,555.94, 1,128,231.87 and 392,546.18

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Solution

The fourth proportional to 752,555.94, 1,128,231.87 and 392,546.18 is: 588,505.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,555.94 : 1,128,231.87 = 392,546.18 : x
  2. Step 2: Convert to fraction form
    752,555.94/1,128,231.87 = 392,546.18/x
  3. Step 3: Cross multiply
    752,555.94x = 1,128,231.87 × 392,546.18
  4. Step 4: Simplify right side
    752,555.94x = 442,883,106,491.89
  5. Step 5: Solve for x
    x = 442,883,106,491.89/752,555.94
  6. Step 6: Final answer
    x = 588,505.23

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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.