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Finding the Fourth Proportional to 995,445, 1,493,172.97 and 247,491

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Solution

The fourth proportional to 995,445, 1,493,172.97 and 247,491 is: 371,237.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,445 : 1,493,172.97 = 247,491 : x
  2. Step 2: Convert to fraction form
    995,445/1,493,172.97 = 247,491/x
  3. Step 3: Cross multiply
    995,445x = 1,493,172.97 × 247,491
  4. Step 4: Simplify right side
    995,445x = 369,546,870,899.54
  5. Step 5: Solve for x
    x = 369,546,870,899.54/995,445
  6. Step 6: Final answer
    x = 371,237.86

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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.