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Finding the Fourth Proportional to 644,481.50, 966,927.69 and 270,404.06

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Solution

The fourth proportional to 644,481.50, 966,927.69 and 270,404.06 is: 405,692.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,481.50 : 966,927.69 = 270,404.06 : x
  2. Step 2: Convert to fraction form
    644,481.50/966,927.69 = 270,404.06/x
  3. Step 3: Cross multiply
    644,481.50x = 966,927.69 × 270,404.06
  4. Step 4: Simplify right side
    644,481.50x = 261,461,173,102.42
  5. Step 5: Solve for x
    x = 261,461,173,102.42/644,481.50
  6. Step 6: Final answer
    x = 405,692.29

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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.