Home / 822,747.20-1,234,211.52-261,650.48

Finding the Fourth Proportional to 822,747.20, 1,234,211.52 and 261,650.48

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Solution

The fourth proportional to 822,747.20, 1,234,211.52 and 261,650.48 is: 392,504.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,747.20 : 1,234,211.52 = 261,650.48 : x
  2. Step 2: Convert to fraction form
    822,747.20/1,234,211.52 = 261,650.48/x
  3. Step 3: Cross multiply
    822,747.20x = 1,234,211.52 × 261,650.48
  4. Step 4: Simplify right side
    822,747.20x = 322,932,036,629.53
  5. Step 5: Solve for x
    x = 322,932,036,629.53/822,747.20
  6. Step 6: Final answer
    x = 392,504.57

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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.