Home / 801,094.89-1,201,211.32-321,081.81

Finding the Fourth Proportional to 801,094.89, 1,201,211.32 and 321,081.81

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Solution

The fourth proportional to 801,094.89, 1,201,211.32 and 321,081.81 is: 481,449.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,094.89 : 1,201,211.32 = 321,081.81 : x
  2. Step 2: Convert to fraction form
    801,094.89/1,201,211.32 = 321,081.81/x
  3. Step 3: Cross multiply
    801,094.89x = 1,201,211.32 × 321,081.81
  4. Step 4: Simplify right side
    801,094.89x = 385,687,100,112.87
  5. Step 5: Solve for x
    x = 385,687,100,112.87/801,094.89
  6. Step 6: Final answer
    x = 481,449.95

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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.