Home / 579,818.36-800,147.98-321,734.54

Finding the Fourth Proportional to 579,818.36, 800,147.98 and 321,734.54

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Solution

The fourth proportional to 579,818.36, 800,147.98 and 321,734.54 is: 443,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,818.36 : 800,147.98 = 321,734.54 : x
  2. Step 2: Convert to fraction form
    579,818.36/800,147.98 = 321,734.54/x
  3. Step 3: Cross multiply
    579,818.36x = 800,147.98 × 321,734.54
  4. Step 4: Simplify right side
    579,818.36x = 257,435,242,277.23
  5. Step 5: Solve for x
    x = 257,435,242,277.23/579,818.36
  6. Step 6: Final answer
    x = 443,992.91

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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.