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Finding the Fourth Proportional to 644,502.80, 967,099.80 and 270,563.60

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Solution

The fourth proportional to 644,502.80, 967,099.80 and 270,563.60 is: 405,990.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,502.80 : 967,099.80 = 270,563.60 : x
  2. Step 2: Convert to fraction form
    644,502.80/967,099.80 = 270,563.60/x
  3. Step 3: Cross multiply
    644,502.80x = 967,099.80 × 270,563.60
  4. Step 4: Simplify right side
    644,502.80x = 261,662,003,447.28
  5. Step 5: Solve for x
    x = 261,662,003,447.28/644,502.80
  6. Step 6: Final answer
    x = 405,990.48

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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.