Home / 902,866.72-1,245,948.13-494,961.15

Finding the Fourth Proportional to 902,866.72, 1,245,948.13 and 494,961.15

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Solution

The fourth proportional to 902,866.72, 1,245,948.13 and 494,961.15 is: 683,042.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,866.72 : 1,245,948.13 = 494,961.15 : x
  2. Step 2: Convert to fraction form
    902,866.72/1,245,948.13 = 494,961.15/x
  3. Step 3: Cross multiply
    902,866.72x = 1,245,948.13 × 494,961.15
  4. Step 4: Simplify right side
    902,866.72x = 616,695,919,265.15
  5. Step 5: Solve for x
    x = 616,695,919,265.15/902,866.72
  6. Step 6: Final answer
    x = 683,042.03

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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.