Home / 802,318.80-1,203,659.86-269,825.20

Finding the Fourth Proportional to 802,318.80, 1,203,659.86 and 269,825.20

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Solution

The fourth proportional to 802,318.80, 1,203,659.86 and 269,825.20 is: 404,798.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,318.80 : 1,203,659.86 = 269,825.20 : x
  2. Step 2: Convert to fraction form
    802,318.80/1,203,659.86 = 269,825.20/x
  3. Step 3: Cross multiply
    802,318.80x = 1,203,659.86 × 269,825.20
  4. Step 4: Simplify right side
    802,318.80x = 324,777,762,456.47
  5. Step 5: Solve for x
    x = 324,777,762,456.47/802,318.80
  6. Step 6: Final answer
    x = 404,798.89

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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.