Home / 726,732.19-1,090,153.77-221,335.93

Finding the Fourth Proportional to 726,732.19, 1,090,153.77 and 221,335.93

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Solution

The fourth proportional to 726,732.19, 1,090,153.77 and 221,335.93 is: 332,020.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,732.19 : 1,090,153.77 = 221,335.93 : x
  2. Step 2: Convert to fraction form
    726,732.19/1,090,153.77 = 221,335.93/x
  3. Step 3: Cross multiply
    726,732.19x = 1,090,153.77 × 221,335.93
  4. Step 4: Simplify right side
    726,732.19x = 241,290,198,525.96
  5. Step 5: Solve for x
    x = 241,290,198,525.96/726,732.19
  6. Step 6: Final answer
    x = 332,020.79

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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.