Home / 726,736.00-1,089,688.61-221,147.47

Finding the Fourth Proportional to 726,736.00, 1,089,688.61 and 221,147.47

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Solution

The fourth proportional to 726,736.00, 1,089,688.61 and 221,147.47 is: 331,594.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,736.00 : 1,089,688.61 = 221,147.47 : x
  2. Step 2: Convert to fraction form
    726,736.00/1,089,688.61 = 221,147.47/x
  3. Step 3: Cross multiply
    726,736.00x = 1,089,688.61 × 221,147.47
  4. Step 4: Simplify right side
    726,736.00x = 240,981,874,974.80
  5. Step 5: Solve for x
    x = 240,981,874,974.80/726,736.00
  6. Step 6: Final answer
    x = 331,594.80

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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.