Home / 801,095.89-1,201,212.82-321,082.81

Finding the Fourth Proportional to 801,095.89, 1,201,212.82 and 321,082.81

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Solution

The fourth proportional to 801,095.89, 1,201,212.82 and 321,082.81 is: 481,451.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,095.89 : 1,201,212.82 = 321,082.81 : x
  2. Step 2: Convert to fraction form
    801,095.89/1,201,212.82 = 321,082.81/x
  3. Step 3: Cross multiply
    801,095.89x = 1,201,212.82 × 321,082.81
  4. Step 4: Simplify right side
    801,095.89x = 385,688,787,653.62
  5. Step 5: Solve for x
    x = 385,688,787,653.62/801,095.89
  6. Step 6: Final answer
    x = 481,451.46

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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.