Home / 419,619.24-579,067.26-228,634.20

Finding the Fourth Proportional to 419,619.24, 579,067.26 and 228,634.20

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Solution

The fourth proportional to 419,619.24, 579,067.26 and 228,634.20 is: 315,511.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,619.24 : 579,067.26 = 228,634.20 : x
  2. Step 2: Convert to fraction form
    419,619.24/579,067.26 = 228,634.20/x
  3. Step 3: Cross multiply
    419,619.24x = 579,067.26 × 228,634.20
  4. Step 4: Simplify right side
    419,619.24x = 132,394,579,736.29
  5. Step 5: Solve for x
    x = 132,394,579,736.29/419,619.24
  6. Step 6: Final answer
    x = 315,511.22

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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.