Home / 902,862.54-1,245,942.35-494,956.97

Finding the Fourth Proportional to 902,862.54, 1,245,942.35 and 494,956.97

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Solution

The fourth proportional to 902,862.54, 1,245,942.35 and 494,956.97 is: 683,036.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,862.54 : 1,245,942.35 = 494,956.97 : x
  2. Step 2: Convert to fraction form
    902,862.54/1,245,942.35 = 494,956.97/x
  3. Step 3: Cross multiply
    902,862.54x = 1,245,942.35 × 494,956.97
  4. Step 4: Simplify right side
    902,862.54x = 616,687,841,646.18
  5. Step 5: Solve for x
    x = 616,687,841,646.18/902,862.54
  6. Step 6: Final answer
    x = 683,036.25

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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.