Home / 853,956.43-1,280,914.22-277,578.98

Finding the Fourth Proportional to 853,956.43, 1,280,914.22 and 277,578.98

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Solution

The fourth proportional to 853,956.43, 1,280,914.22 and 277,578.98 is: 416,361.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,956.43 : 1,280,914.22 = 277,578.98 : x
  2. Step 2: Convert to fraction form
    853,956.43/1,280,914.22 = 277,578.98/x
  3. Step 3: Cross multiply
    853,956.43x = 1,280,914.22 × 277,578.98
  4. Step 4: Simplify right side
    853,956.43x = 355,554,865,163.43
  5. Step 5: Solve for x
    x = 355,554,865,163.43/853,956.43
  6. Step 6: Final answer
    x = 416,361.84

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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.