Home / 819,364.20-1,229,046.30-228,388.20

Finding the Fourth Proportional to 819,364.20, 1,229,046.30 and 228,388.20

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Solution

The fourth proportional to 819,364.20, 1,229,046.30 and 228,388.20 is: 342,582.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,364.20 : 1,229,046.30 = 228,388.20 : x
  2. Step 2: Convert to fraction form
    819,364.20/1,229,046.30 = 228,388.20/x
  3. Step 3: Cross multiply
    819,364.20x = 1,229,046.30 × 228,388.20
  4. Step 4: Simplify right side
    819,364.20x = 280,699,672,173.66
  5. Step 5: Solve for x
    x = 280,699,672,173.66/819,364.20
  6. Step 6: Final answer
    x = 342,582.30

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Similar ratio
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1.5x scale

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.