Home / 827,144.80-1,240,717.20-228,198.40

Finding the Fourth Proportional to 827,144.80, 1,240,717.20 and 228,198.40

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Solution

The fourth proportional to 827,144.80, 1,240,717.20 and 228,198.40 is: 342,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,144.80 : 1,240,717.20 = 228,198.40 : x
  2. Step 2: Convert to fraction form
    827,144.80/1,240,717.20 = 228,198.40/x
  3. Step 3: Cross multiply
    827,144.80x = 1,240,717.20 × 228,198.40
  4. Step 4: Simplify right side
    827,144.80x = 283,129,679,892.48
  5. Step 5: Solve for x
    x = 283,129,679,892.48/827,144.80
  6. Step 6: Final answer
    x = 342,297.60

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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.