Home / 726,535.59-1,090,036.89-221,194.41

Finding the Fourth Proportional to 726,535.59, 1,090,036.89 and 221,194.41

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Solution

The fourth proportional to 726,535.59, 1,090,036.89 and 221,194.41 is: 331,862.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,535.59 : 1,090,036.89 = 221,194.41 : x
  2. Step 2: Convert to fraction form
    726,535.59/1,090,036.89 = 221,194.41/x
  3. Step 3: Cross multiply
    726,535.59x = 1,090,036.89 × 221,194.41
  4. Step 4: Simplify right side
    726,535.59x = 241,110,066,761.79
  5. Step 5: Solve for x
    x = 241,110,066,761.79/726,535.59
  6. Step 6: Final answer
    x = 331,862.71

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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.