Home / 726,524.83-1,089,793.32-253,209.43

Finding the Fourth Proportional to 726,524.83, 1,089,793.32 and 253,209.43

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Solution

The fourth proportional to 726,524.83, 1,089,793.32 and 253,209.43 is: 379,816.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,524.83 : 1,089,793.32 = 253,209.43 : x
  2. Step 2: Convert to fraction form
    726,524.83/1,089,793.32 = 253,209.43/x
  3. Step 3: Cross multiply
    726,524.83x = 1,089,793.32 × 253,209.43
  4. Step 4: Simplify right side
    726,524.83x = 275,945,945,375.01
  5. Step 5: Solve for x
    x = 275,945,945,375.01/726,524.83
  6. Step 6: Final answer
    x = 379,816.26

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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.