Home / 726,505.97-1,089,799.94-221,083.41

Finding the Fourth Proportional to 726,505.97, 1,089,799.94 and 221,083.41

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Solution

The fourth proportional to 726,505.97, 1,089,799.94 and 221,083.41 is: 331,637.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,505.97 : 1,089,799.94 = 221,083.41 : x
  2. Step 2: Convert to fraction form
    726,505.97/1,089,799.94 = 221,083.41/x
  3. Step 3: Cross multiply
    726,505.97x = 1,089,799.94 × 221,083.41
  4. Step 4: Simplify right side
    726,505.97x = 240,936,686,953.00
  5. Step 5: Solve for x
    x = 240,936,686,953.00/726,505.97
  6. Step 6: Final answer
    x = 331,637.59

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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.