Home / 798,517.05-1,196,778.78-399,272.00

Finding the Fourth Proportional to 798,517.05, 1,196,778.78 and 399,272.00

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Solution

The fourth proportional to 798,517.05, 1,196,778.78 and 399,272.00 is: 598,409.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,517.05 : 1,196,778.78 = 399,272.00 : x
  2. Step 2: Convert to fraction form
    798,517.05/1,196,778.78 = 399,272.00/x
  3. Step 3: Cross multiply
    798,517.05x = 1,196,778.78 × 399,272.00
  4. Step 4: Simplify right side
    798,517.05x = 477,840,257,049.46
  5. Step 5: Solve for x
    x = 477,840,257,049.46/798,517.05
  6. Step 6: Final answer
    x = 598,409.59

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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.