Home / 726,503.58-1,089,796.38-221,081.04

Finding the Fourth Proportional to 726,503.58, 1,089,796.38 and 221,081.04

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Solution

The fourth proportional to 726,503.58, 1,089,796.38 and 221,081.04 is: 331,634.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,503.58 : 1,089,796.38 = 221,081.04 : x
  2. Step 2: Convert to fraction form
    726,503.58/1,089,796.38 = 221,081.04/x
  3. Step 3: Cross multiply
    726,503.58x = 1,089,796.38 × 221,081.04
  4. Step 4: Simplify right side
    726,503.58x = 240,933,317,078.64
  5. Step 5: Solve for x
    x = 240,933,317,078.64/726,503.58
  6. Step 6: Final answer
    x = 331,634.04

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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.