Home / 994,755.60-1,491,768.90-321,013.80

Finding the Fourth Proportional to 994,755.60, 1,491,768.90 and 321,013.80

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Solution

The fourth proportional to 994,755.60, 1,491,768.90 and 321,013.80 is: 481,403.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,755.60 : 1,491,768.90 = 321,013.80 : x
  2. Step 2: Convert to fraction form
    994,755.60/1,491,768.90 = 321,013.80/x
  3. Step 3: Cross multiply
    994,755.60x = 1,491,768.90 × 321,013.80
  4. Step 4: Simplify right side
    994,755.60x = 478,878,403,310.82
  5. Step 5: Solve for x
    x = 478,878,403,310.82/994,755.60
  6. Step 6: Final answer
    x = 481,403.07

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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.