Home / 726,504.46-1,089,797.69-221,081.92

Finding the Fourth Proportional to 726,504.46, 1,089,797.69 and 221,081.92

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Solution

The fourth proportional to 726,504.46, 1,089,797.69 and 221,081.92 is: 331,635.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,504.46 : 1,089,797.69 = 221,081.92 : x
  2. Step 2: Convert to fraction form
    726,504.46/1,089,797.69 = 221,081.92/x
  3. Step 3: Cross multiply
    726,504.46x = 1,089,797.69 × 221,081.92
  4. Step 4: Simplify right side
    726,504.46x = 240,934,565,716.77
  5. Step 5: Solve for x
    x = 240,934,565,716.77/726,504.46
  6. Step 6: Final answer
    x = 331,635.36

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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.