Home / 902,514.09-1,245,469.65-494,632.11

Finding the Fourth Proportional to 902,514.09, 1,245,469.65 and 494,632.11

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Solution

The fourth proportional to 902,514.09, 1,245,469.65 and 494,632.11 is: 682,592.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,514.09 : 1,245,469.65 = 494,632.11 : x
  2. Step 2: Convert to fraction form
    902,514.09/1,245,469.65 = 494,632.11/x
  3. Step 3: Cross multiply
    902,514.09x = 1,245,469.65 × 494,632.11
  4. Step 4: Simplify right side
    902,514.09x = 616,049,280,920.46
  5. Step 5: Solve for x
    x = 616,049,280,920.46/902,514.09
  6. Step 6: Final answer
    x = 682,592.42

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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.