Home / 802,078.20-1,203,117.30-269,422.20

Finding the Fourth Proportional to 802,078.20, 1,203,117.30 and 269,422.20

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Solution

The fourth proportional to 802,078.20, 1,203,117.30 and 269,422.20 is: 404,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,078.20 : 1,203,117.30 = 269,422.20 : x
  2. Step 2: Convert to fraction form
    802,078.20/1,203,117.30 = 269,422.20/x
  3. Step 3: Cross multiply
    802,078.20x = 1,203,117.30 × 269,422.20
  4. Step 4: Simplify right side
    802,078.20x = 324,146,509,824.06
  5. Step 5: Solve for x
    x = 324,146,509,824.06/802,078.20
  6. Step 6: Final answer
    x = 404,133.30

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.