Home / 902,865.54-1,245,946.49-494,959.97

Finding the Fourth Proportional to 902,865.54, 1,245,946.49 and 494,959.97

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Solution

The fourth proportional to 902,865.54, 1,245,946.49 and 494,959.97 is: 683,040.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,865.54 : 1,245,946.49 = 494,959.97 : x
  2. Step 2: Convert to fraction form
    902,865.54/1,245,946.49 = 494,959.97/x
  3. Step 3: Cross multiply
    902,865.54x = 1,245,946.49 × 494,959.97
  4. Step 4: Simplify right side
    902,865.54x = 616,693,628,607.47
  5. Step 5: Solve for x
    x = 616,693,628,607.47/902,865.54
  6. Step 6: Final answer
    x = 683,040.39

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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.