Home / 397,288.80-595,933.20-271,317.60

Finding the Fourth Proportional to 397,288.80, 595,933.20 and 271,317.60

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Solution

The fourth proportional to 397,288.80, 595,933.20 and 271,317.60 is: 406,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,288.80 : 595,933.20 = 271,317.60 : x
  2. Step 2: Convert to fraction form
    397,288.80/595,933.20 = 271,317.60/x
  3. Step 3: Cross multiply
    397,288.80x = 595,933.20 × 271,317.60
  4. Step 4: Simplify right side
    397,288.80x = 161,687,165,584.32
  5. Step 5: Solve for x
    x = 161,687,165,584.32/397,288.80
  6. Step 6: Final answer
    x = 406,976.40

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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.