Home / 902,372.75-1,245,274.40-499,964.75

Finding the Fourth Proportional to 902,372.75, 1,245,274.40 and 499,964.75

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Solution

The fourth proportional to 902,372.75, 1,245,274.40 and 499,964.75 is: 689,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,372.75 : 1,245,274.40 = 499,964.75 : x
  2. Step 2: Convert to fraction form
    902,372.75/1,245,274.40 = 499,964.75/x
  3. Step 3: Cross multiply
    902,372.75x = 1,245,274.40 × 499,964.75
  4. Step 4: Simplify right side
    902,372.75x = 622,593,304,077.40
  5. Step 5: Solve for x
    x = 622,593,304,077.40/902,372.75
  6. Step 6: Final answer
    x = 689,951.36

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Double scale
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1.5x scale

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.