Home / 397,021.18-595,469.04-329,983.54

Finding the Fourth Proportional to 397,021.18, 595,469.04 and 329,983.54

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Solution

The fourth proportional to 397,021.18, 595,469.04 and 329,983.54 is: 494,923.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,021.18 : 595,469.04 = 329,983.54 : x
  2. Step 2: Convert to fraction form
    397,021.18/595,469.04 = 329,983.54/x
  3. Step 3: Cross multiply
    397,021.18x = 595,469.04 × 329,983.54
  4. Step 4: Simplify right side
    397,021.18x = 196,494,981,779.60
  5. Step 5: Solve for x
    x = 196,494,981,779.60/397,021.18
  6. Step 6: Final answer
    x = 494,923.17

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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.