Home / 726,077.44-1,089,121.56-252,761.68

Finding the Fourth Proportional to 726,077.44, 1,089,121.56 and 252,761.68

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Solution

The fourth proportional to 726,077.44, 1,089,121.56 and 252,761.68 is: 379,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,077.44 : 1,089,121.56 = 252,761.68 : x
  2. Step 2: Convert to fraction form
    726,077.44/1,089,121.56 = 252,761.68/x
  3. Step 3: Cross multiply
    726,077.44x = 1,089,121.56 × 252,761.68
  4. Step 4: Simplify right side
    726,077.44x = 275,288,195,229.82
  5. Step 5: Solve for x
    x = 275,288,195,229.82/726,077.44
  6. Step 6: Final answer
    x = 379,144.40

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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.