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Finding the Fourth Proportional to 979,794, 1,469,692.08 and 388,818

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Solution

The fourth proportional to 979,794, 1,469,692.08 and 388,818 is: 583,227.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,794 : 1,469,692.08 = 388,818 : x
  2. Step 2: Convert to fraction form
    979,794/1,469,692.08 = 388,818/x
  3. Step 3: Cross multiply
    979,794x = 1,469,692.08 × 388,818
  4. Step 4: Simplify right side
    979,794x = 571,442,735,161.44
  5. Step 5: Solve for x
    x = 571,442,735,161.44/979,794
  6. Step 6: Final answer
    x = 583,227.43

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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.