Home / 752,739-1,129,283.46-254,103

Finding the Fourth Proportional to 752,739, 1,129,283.46 and 254,103

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Solution

The fourth proportional to 752,739, 1,129,283.46 and 254,103 is: 381,213.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,739 : 1,129,283.46 = 254,103 : x
  2. Step 2: Convert to fraction form
    752,739/1,129,283.46 = 254,103/x
  3. Step 3: Cross multiply
    752,739x = 1,129,283.46 × 254,103
  4. Step 4: Simplify right side
    752,739x = 286,954,315,036.38
  5. Step 5: Solve for x
    x = 286,954,315,036.38/752,739
  6. Step 6: Final answer
    x = 381,213.56

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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.