Home / 557,284.08-769,067.28-327,857.52

Finding the Fourth Proportional to 557,284.08, 769,067.28 and 327,857.52

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Solution

The fourth proportional to 557,284.08, 769,067.28 and 327,857.52 is: 452,452.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,284.08 : 769,067.28 = 327,857.52 : x
  2. Step 2: Convert to fraction form
    557,284.08/769,067.28 = 327,857.52/x
  3. Step 3: Cross multiply
    557,284.08x = 769,067.28 × 327,857.52
  4. Step 4: Simplify right side
    557,284.08x = 252,144,491,133.95
  5. Step 5: Solve for x
    x = 252,144,491,133.95/557,284.08
  6. Step 6: Final answer
    x = 452,452.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.