Home / 325,490.14-488,057.24-258,452.80

Finding the Fourth Proportional to 325,490.14, 488,057.24 and 258,452.80

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Solution

The fourth proportional to 325,490.14, 488,057.24 and 258,452.80 is: 387,537.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,490.14 : 488,057.24 = 258,452.80 : x
  2. Step 2: Convert to fraction form
    325,490.14/488,057.24 = 258,452.80/x
  3. Step 3: Cross multiply
    325,490.14x = 488,057.24 × 258,452.80
  4. Step 4: Simplify right side
    325,490.14x = 126,139,760,238.27
  5. Step 5: Solve for x
    x = 126,139,760,238.27/325,490.14
  6. Step 6: Final answer
    x = 387,537.88

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1.5x scale

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.