Home / 496,530.30-685,121.16-324,402.48

Finding the Fourth Proportional to 496,530.30, 685,121.16 and 324,402.48

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Solution

The fourth proportional to 496,530.30, 685,121.16 and 324,402.48 is: 447,616.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,530.30 : 685,121.16 = 324,402.48 : x
  2. Step 2: Convert to fraction form
    496,530.30/685,121.16 = 324,402.48/x
  3. Step 3: Cross multiply
    496,530.30x = 685,121.16 × 324,402.48
  4. Step 4: Simplify right side
    496,530.30x = 222,255,003,404.48
  5. Step 5: Solve for x
    x = 222,255,003,404.48/496,530.30
  6. Step 6: Final answer
    x = 447,616.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.