Home / 728,523.87-1,092,687.39-196,076.85

Finding the Fourth Proportional to 728,523.87, 1,092,687.39 and 196,076.85

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Solution

The fourth proportional to 728,523.87, 1,092,687.39 and 196,076.85 is: 294,088.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,523.87 : 1,092,687.39 = 196,076.85 : x
  2. Step 2: Convert to fraction form
    728,523.87/1,092,687.39 = 196,076.85/x
  3. Step 3: Cross multiply
    728,523.87x = 1,092,687.39 × 196,076.85
  4. Step 4: Simplify right side
    728,523.87x = 214,250,704,066.18
  5. Step 5: Solve for x
    x = 214,250,704,066.18/728,523.87
  6. Step 6: Final answer
    x = 294,088.79

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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.