Home / 701,783.20-1,053,039.30-327,806.20

Finding the Fourth Proportional to 701,783.20, 1,053,039.30 and 327,806.20

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Solution

The fourth proportional to 701,783.20, 1,053,039.30 and 327,806.20 is: 491,879.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,783.20 : 1,053,039.30 = 327,806.20 : x
  2. Step 2: Convert to fraction form
    701,783.20/1,053,039.30 = 327,806.20/x
  3. Step 3: Cross multiply
    701,783.20x = 1,053,039.30 × 327,806.20
  4. Step 4: Simplify right side
    701,783.20x = 345,192,811,383.66
  5. Step 5: Solve for x
    x = 345,192,811,383.66/701,783.20
  6. Step 6: Final answer
    x = 491,879.56

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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.