Home / 902,865.72-1,245,946.75-494,960.15

Finding the Fourth Proportional to 902,865.72, 1,245,946.75 and 494,960.15

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Solution

The fourth proportional to 902,865.72, 1,245,946.75 and 494,960.15 is: 683,040.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,865.72 : 1,245,946.75 = 494,960.15 : x
  2. Step 2: Convert to fraction form
    902,865.72/1,245,946.75 = 494,960.15/x
  3. Step 3: Cross multiply
    902,865.72x = 1,245,946.75 × 494,960.15
  4. Step 4: Simplify right side
    902,865.72x = 616,693,992,149.48
  5. Step 5: Solve for x
    x = 616,693,992,149.48/902,865.72
  6. Step 6: Final answer
    x = 683,040.65

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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.