Home / 827,920.20-1,242,098.82-448,672.44

Finding the Fourth Proportional to 827,920.20, 1,242,098.82 and 448,672.44

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Solution

The fourth proportional to 827,920.20, 1,242,098.82 and 448,672.44 is: 673,127.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,920.20 : 1,242,098.82 = 448,672.44 : x
  2. Step 2: Convert to fraction form
    827,920.20/1,242,098.82 = 448,672.44/x
  3. Step 3: Cross multiply
    827,920.20x = 1,242,098.82 × 448,672.44
  4. Step 4: Simplify right side
    827,920.20x = 557,295,508,290.52
  5. Step 5: Solve for x
    x = 557,295,508,290.52/827,920.20
  6. Step 6: Final answer
    x = 673,127.08

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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.