Home / 752,940.45-1,129,542.30-247,361.13

Finding the Fourth Proportional to 752,940.45, 1,129,542.30 and 247,361.13

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Solution

The fourth proportional to 752,940.45, 1,129,542.30 and 247,361.13 is: 371,084.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,940.45 : 1,129,542.30 = 247,361.13 : x
  2. Step 2: Convert to fraction form
    752,940.45/1,129,542.30 = 247,361.13/x
  3. Step 3: Cross multiply
    752,940.45x = 1,129,542.30 × 247,361.13
  4. Step 4: Simplify right side
    752,940.45x = 279,404,859,710.80
  5. Step 5: Solve for x
    x = 279,404,859,710.80/752,940.45
  6. Step 6: Final answer
    x = 371,084.94

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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.