Home / 902,883.78-1,245,993.57-495,024.66

Finding the Fourth Proportional to 902,883.78, 1,245,993.57 and 495,024.66

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Solution

The fourth proportional to 902,883.78, 1,245,993.57 and 495,024.66 is: 683,141.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,883.78 : 1,245,993.57 = 495,024.66 : x
  2. Step 2: Convert to fraction form
    902,883.78/1,245,993.57 = 495,024.66/x
  3. Step 3: Cross multiply
    902,883.78x = 1,245,993.57 × 495,024.66
  4. Step 4: Simplify right side
    902,883.78x = 616,797,543,351.44
  5. Step 5: Solve for x
    x = 616,797,543,351.44/902,883.78
  6. Step 6: Final answer
    x = 683,141.68

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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.