Home / 783,709.35-1,175,578.60-222,758.43

Finding the Fourth Proportional to 783,709.35, 1,175,578.60 and 222,758.43

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Solution

The fourth proportional to 783,709.35, 1,175,578.60 and 222,758.43 is: 334,141.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,709.35 : 1,175,578.60 = 222,758.43 : x
  2. Step 2: Convert to fraction form
    783,709.35/1,175,578.60 = 222,758.43/x
  3. Step 3: Cross multiply
    783,709.35x = 1,175,578.60 × 222,758.43
  4. Step 4: Simplify right side
    783,709.35x = 261,870,043,277.60
  5. Step 5: Solve for x
    x = 261,870,043,277.60/783,709.35
  6. Step 6: Final answer
    x = 334,141.79

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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.