Home / 995,280.77-1,493,212.76-321,349.43

Finding the Fourth Proportional to 995,280.77, 1,493,212.76 and 321,349.43

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Solution

The fourth proportional to 995,280.77, 1,493,212.76 and 321,349.43 is: 482,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,280.77 : 1,493,212.76 = 321,349.43 : x
  2. Step 2: Convert to fraction form
    995,280.77/1,493,212.76 = 321,349.43/x
  3. Step 3: Cross multiply
    995,280.77x = 1,493,212.76 × 321,349.43
  4. Step 4: Simplify right side
    995,280.77x = 479,843,072,626.07
  5. Step 5: Solve for x
    x = 479,843,072,626.07/995,280.77
  6. Step 6: Final answer
    x = 482,118.30

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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.