Home / 827,268.78-1,240,974.66-228,229.94

Finding the Fourth Proportional to 827,268.78, 1,240,974.66 and 228,229.94

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Solution

The fourth proportional to 827,268.78, 1,240,974.66 and 228,229.94 is: 342,364.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,268.78 : 1,240,974.66 = 228,229.94 : x
  2. Step 2: Convert to fraction form
    827,268.78/1,240,974.66 = 228,229.94/x
  3. Step 3: Cross multiply
    827,268.78x = 1,240,974.66 × 228,229.94
  4. Step 4: Simplify right side
    827,268.78x = 283,227,571,052.17
  5. Step 5: Solve for x
    x = 283,227,571,052.17/827,268.78
  6. Step 6: Final answer
    x = 342,364.63

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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.