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Finding the Fourth Proportional to 721,630.03, 995,865.69 and 467,423.68

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Solution

The fourth proportional to 721,630.03, 995,865.69 and 467,423.68 is: 645,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,630.03 : 995,865.69 = 467,423.68 : x
  2. Step 2: Convert to fraction form
    721,630.03/995,865.69 = 467,423.68/x
  3. Step 3: Cross multiply
    721,630.03x = 995,865.69 × 467,423.68
  4. Step 4: Simplify right side
    721,630.03x = 465,491,205,605.54
  5. Step 5: Solve for x
    x = 465,491,205,605.54/721,630.03
  6. Step 6: Final answer
    x = 645,055.20

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1.5x scale

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.