Home / 726,204.55-1,089,314.75-220,847.71

Finding the Fourth Proportional to 726,204.55, 1,089,314.75 and 220,847.71

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Solution

The fourth proportional to 726,204.55, 1,089,314.75 and 220,847.71 is: 331,273.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,204.55 : 1,089,314.75 = 220,847.71 : x
  2. Step 2: Convert to fraction form
    726,204.55/1,089,314.75 = 220,847.71/x
  3. Step 3: Cross multiply
    726,204.55x = 1,089,314.75 × 220,847.71
  4. Step 4: Simplify right side
    726,204.55x = 240,572,668,006.72
  5. Step 5: Solve for x
    x = 240,572,668,006.72/726,204.55
  6. Step 6: Final answer
    x = 331,273.98

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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.