Home / 648,369.85-972,596.14-269,321.44

Finding the Fourth Proportional to 648,369.85, 972,596.14 and 269,321.44

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Solution

The fourth proportional to 648,369.85, 972,596.14 and 269,321.44 is: 403,999.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,369.85 : 972,596.14 = 269,321.44 : x
  2. Step 2: Convert to fraction form
    648,369.85/972,596.14 = 269,321.44/x
  3. Step 3: Cross multiply
    648,369.85x = 972,596.14 × 269,321.44
  4. Step 4: Simplify right side
    648,369.85x = 261,940,992,963.24
  5. Step 5: Solve for x
    x = 261,940,992,963.24/648,369.85
  6. Step 6: Final answer
    x = 403,999.34

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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.