Home / 995,557.89-1,493,209.71-321,569.16

Finding the Fourth Proportional to 995,557.89, 1,493,209.71 and 321,569.16

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Solution

The fourth proportional to 995,557.89, 1,493,209.71 and 321,569.16 is: 482,312.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,557.89 : 1,493,209.71 = 321,569.16 : x
  2. Step 2: Convert to fraction form
    995,557.89/1,493,209.71 = 321,569.16/x
  3. Step 3: Cross multiply
    995,557.89x = 1,493,209.71 × 321,569.16
  4. Step 4: Simplify right side
    995,557.89x = 480,170,192,148.54
  5. Step 5: Solve for x
    x = 480,170,192,148.54/995,557.89
  6. Step 6: Final answer
    x = 482,312.68

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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.