Home / 798,836.69-1,198,255.20-199,797.91

Finding the Fourth Proportional to 798,836.69, 1,198,255.20 and 199,797.91

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Solution

The fourth proportional to 798,836.69, 1,198,255.20 and 199,797.91 is: 299,696.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,836.69 : 1,198,255.20 = 199,797.91 : x
  2. Step 2: Convert to fraction form
    798,836.69/1,198,255.20 = 199,797.91/x
  3. Step 3: Cross multiply
    798,836.69x = 1,198,255.20 × 199,797.91
  4. Step 4: Simplify right side
    798,836.69x = 239,408,881,610.99
  5. Step 5: Solve for x
    x = 239,408,881,610.99/798,836.69
  6. Step 6: Final answer
    x = 299,696.90

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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.