Home / 995,363.80-1,493,045.70-321,443.80

Finding the Fourth Proportional to 995,363.80, 1,493,045.70 and 321,443.80

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Solution

The fourth proportional to 995,363.80, 1,493,045.70 and 321,443.80 is: 482,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,363.80 : 1,493,045.70 = 321,443.80 : x
  2. Step 2: Convert to fraction form
    995,363.80/1,493,045.70 = 321,443.80/x
  3. Step 3: Cross multiply
    995,363.80x = 1,493,045.70 × 321,443.80
  4. Step 4: Simplify right side
    995,363.80x = 479,930,283,381.66
  5. Step 5: Solve for x
    x = 479,930,283,381.66/995,363.80
  6. Step 6: Final answer
    x = 482,165.70

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1.5x scale

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.