Home / 726,282.40-1,089,073.68-252,957.28

Finding the Fourth Proportional to 726,282.40, 1,089,073.68 and 252,957.28

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Solution

The fourth proportional to 726,282.40, 1,089,073.68 and 252,957.28 is: 379,314.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,282.40 : 1,089,073.68 = 252,957.28 : x
  2. Step 2: Convert to fraction form
    726,282.40/1,089,073.68 = 252,957.28/x
  3. Step 3: Cross multiply
    726,282.40x = 1,089,073.68 × 252,957.28
  4. Step 4: Simplify right side
    726,282.40x = 275,489,115,812.39
  5. Step 5: Solve for x
    x = 275,489,115,812.39/726,282.40
  6. Step 6: Final answer
    x = 379,314.05

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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.