Home / 995,556.39-1,493,207.46-321,567.66

Finding the Fourth Proportional to 995,556.39, 1,493,207.46 and 321,567.66

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Solution

The fourth proportional to 995,556.39, 1,493,207.46 and 321,567.66 is: 482,310.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,556.39 : 1,493,207.46 = 321,567.66 : x
  2. Step 2: Convert to fraction form
    995,556.39/1,493,207.46 = 321,567.66/x
  3. Step 3: Cross multiply
    995,556.39x = 1,493,207.46 × 321,567.66
  4. Step 4: Simplify right side
    995,556.39x = 480,167,228,806.74
  5. Step 5: Solve for x
    x = 480,167,228,806.74/995,556.39
  6. Step 6: Final answer
    x = 482,310.43

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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.