Home / 726,565.38-1,090,004.94-221,165.88

Finding the Fourth Proportional to 726,565.38, 1,090,004.94 and 221,165.88

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Solution

The fourth proportional to 726,565.38, 1,090,004.94 and 221,165.88 is: 331,796.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,565.38 : 1,090,004.94 = 221,165.88 : x
  2. Step 2: Convert to fraction form
    726,565.38/1,090,004.94 = 221,165.88/x
  3. Step 3: Cross multiply
    726,565.38x = 1,090,004.94 × 221,165.88
  4. Step 4: Simplify right side
    726,565.38x = 241,071,901,759.45
  5. Step 5: Solve for x
    x = 241,071,901,759.45/726,565.38
  6. Step 6: Final answer
    x = 331,796.57

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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.