Home / 726,902.80-1,090,516.82-221,503.33

Finding the Fourth Proportional to 726,902.80, 1,090,516.82 and 221,503.33

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Solution

The fourth proportional to 726,902.80, 1,090,516.82 and 221,503.33 is: 332,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,902.80 : 1,090,516.82 = 221,503.33 : x
  2. Step 2: Convert to fraction form
    726,902.80/1,090,516.82 = 221,503.33/x
  3. Step 3: Cross multiply
    726,902.80x = 1,090,516.82 × 221,503.33
  4. Step 4: Simplify right side
    726,902.80x = 241,553,109,018.40
  5. Step 5: Solve for x
    x = 241,553,109,018.40/726,902.80
  6. Step 6: Final answer
    x = 332,304.55

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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.