Home / 496,945.14-685,604.10-281,960.64

Finding the Fourth Proportional to 496,945.14, 685,604.10 and 281,960.64

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Solution

The fourth proportional to 496,945.14, 685,604.10 and 281,960.64 is: 389,003.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,945.14 : 685,604.10 = 281,960.64 : x
  2. Step 2: Convert to fraction form
    496,945.14/685,604.10 = 281,960.64/x
  3. Step 3: Cross multiply
    496,945.14x = 685,604.10 × 281,960.64
  4. Step 4: Simplify right side
    496,945.14x = 193,313,370,822.62
  5. Step 5: Solve for x
    x = 193,313,370,822.62/496,945.14
  6. Step 6: Final answer
    x = 389,003.44

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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.