Home / 902,940.80-1,246,072.28-495,079.84

Finding the Fourth Proportional to 902,940.80, 1,246,072.28 and 495,079.84

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Solution

The fourth proportional to 902,940.80, 1,246,072.28 and 495,079.84 is: 683,217.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,940.80 : 1,246,072.28 = 495,079.84 : x
  2. Step 2: Convert to fraction form
    902,940.80/1,246,072.28 = 495,079.84/x
  3. Step 3: Cross multiply
    902,940.80x = 1,246,072.28 × 495,079.84
  4. Step 4: Simplify right side
    902,940.80x = 616,905,265,010.84
  5. Step 5: Solve for x
    x = 616,905,265,010.84/902,940.80
  6. Step 6: Final answer
    x = 683,217.84

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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.