Home / 669,519.77-1,004,145.38-327,815.97

Finding the Fourth Proportional to 669,519.77, 1,004,145.38 and 327,815.97

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Solution

The fourth proportional to 669,519.77, 1,004,145.38 and 327,815.97 is: 491,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,519.77 : 1,004,145.38 = 327,815.97 : x
  2. Step 2: Convert to fraction form
    669,519.77/1,004,145.38 = 327,815.97/x
  3. Step 3: Cross multiply
    669,519.77x = 1,004,145.38 × 327,815.97
  4. Step 4: Simplify right side
    669,519.77x = 329,174,891,765.72
  5. Step 5: Solve for x
    x = 329,174,891,765.72/669,519.77
  6. Step 6: Final answer
    x = 491,658.21

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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.