Home / 902,874.54-1,245,939.86-494,962.43

Finding the Fourth Proportional to 902,874.54, 1,245,939.86 and 494,962.43

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Solution

The fourth proportional to 902,874.54, 1,245,939.86 and 494,962.43 is: 683,033.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,874.54 : 1,245,939.86 = 494,962.43 : x
  2. Step 2: Convert to fraction form
    902,874.54/1,245,939.86 = 494,962.43/x
  3. Step 3: Cross multiply
    902,874.54x = 1,245,939.86 × 494,962.43
  4. Step 4: Simplify right side
    902,874.54x = 616,693,420,739.46
  5. Step 5: Solve for x
    x = 616,693,420,739.46/902,874.54
  6. Step 6: Final answer
    x = 683,033.35

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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.