Home / 580,067.60-800,498.09-321,962.45

Finding the Fourth Proportional to 580,067.60, 800,498.09 and 321,962.45

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Solution

The fourth proportional to 580,067.60, 800,498.09 and 321,962.45 is: 444,310.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,067.60 : 800,498.09 = 321,962.45 : x
  2. Step 2: Convert to fraction form
    580,067.60/800,498.09 = 321,962.45/x
  3. Step 3: Cross multiply
    580,067.60x = 800,498.09 × 321,962.45
  4. Step 4: Simplify right side
    580,067.60x = 257,730,323,079.14
  5. Step 5: Solve for x
    x = 257,730,323,079.14/580,067.60
  6. Step 6: Final answer
    x = 444,310.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.