Home / 995,547.38-1,493,193.96-321,558.66

Finding the Fourth Proportional to 995,547.38, 1,493,193.96 and 321,558.66

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Solution

The fourth proportional to 995,547.38, 1,493,193.96 and 321,558.66 is: 482,296.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,547.38 : 1,493,193.96 = 321,558.66 : x
  2. Step 2: Convert to fraction form
    995,547.38/1,493,193.96 = 321,558.66/x
  3. Step 3: Cross multiply
    995,547.38x = 1,493,193.96 × 321,558.66
  4. Step 4: Simplify right side
    995,547.38x = 480,149,448,897.69
  5. Step 5: Solve for x
    x = 480,149,448,897.69/995,547.38
  6. Step 6: Final answer
    x = 482,296.94

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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.