Home / 902,497.14-1,245,480.57-515,375.73

Finding the Fourth Proportional to 902,497.14, 1,245,480.57 and 515,375.73

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Solution

The fourth proportional to 902,497.14, 1,245,480.57 and 515,375.73 is: 711,238.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,497.14 : 1,245,480.57 = 515,375.73 : x
  2. Step 2: Convert to fraction form
    902,497.14/1,245,480.57 = 515,375.73/x
  3. Step 3: Cross multiply
    902,497.14x = 1,245,480.57 × 515,375.73
  4. Step 4: Simplify right side
    902,497.14x = 641,890,457,964.57
  5. Step 5: Solve for x
    x = 641,890,457,964.57/902,497.14
  6. Step 6: Final answer
    x = 711,238.22

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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.