Home / 726,331.60-1,089,351.60-347,251.60

Finding the Fourth Proportional to 726,331.60, 1,089,351.60 and 347,251.60

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Solution

The fourth proportional to 726,331.60, 1,089,351.60 and 347,251.60 is: 520,807.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,331.60 : 1,089,351.60 = 347,251.60 : x
  2. Step 2: Convert to fraction form
    726,331.60/1,089,351.60 = 347,251.60/x
  3. Step 3: Cross multiply
    726,331.60x = 1,089,351.60 × 347,251.60
  4. Step 4: Simplify right side
    726,331.60x = 378,279,086,062.56
  5. Step 5: Solve for x
    x = 378,279,086,062.56/726,331.60
  6. Step 6: Final answer
    x = 520,807.69

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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.