Home / 902,884.88-1,245,954.17-494,972.78

Finding the Fourth Proportional to 902,884.88, 1,245,954.17 and 494,972.78

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Solution

The fourth proportional to 902,884.88, 1,245,954.17 and 494,972.78 is: 683,047.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,884.88 : 1,245,954.17 = 494,972.78 : x
  2. Step 2: Convert to fraction form
    902,884.88/1,245,954.17 = 494,972.78/x
  3. Step 3: Cross multiply
    902,884.88x = 1,245,954.17 × 494,972.78
  4. Step 4: Simplify right side
    902,884.88x = 616,713,403,629.81
  5. Step 5: Solve for x
    x = 616,713,403,629.81/902,884.88
  6. Step 6: Final answer
    x = 683,047.66

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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.