Home / 902,874.22-1,245,952.28-494,979.43

Finding the Fourth Proportional to 902,874.22, 1,245,952.28 and 494,979.43

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Solution

The fourth proportional to 902,874.22, 1,245,952.28 and 494,979.43 is: 683,063.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,874.22 : 1,245,952.28 = 494,979.43 : x
  2. Step 2: Convert to fraction form
    902,874.22/1,245,952.28 = 494,979.43/x
  3. Step 3: Cross multiply
    902,874.22x = 1,245,952.28 × 494,979.43
  4. Step 4: Simplify right side
    902,874.22x = 616,720,750,540.31
  5. Step 5: Solve for x
    x = 616,720,750,540.31/902,874.22
  6. Step 6: Final answer
    x = 683,063.86

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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.