Home / 659,076.24-987,949.62-259,562.64

Finding the Fourth Proportional to 659,076.24, 987,949.62 and 259,562.64

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Solution

The fourth proportional to 659,076.24, 987,949.62 and 259,562.64 is: 389,082.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,076.24 : 987,949.62 = 259,562.64 : x
  2. Step 2: Convert to fraction form
    659,076.24/987,949.62 = 259,562.64/x
  3. Step 3: Cross multiply
    659,076.24x = 987,949.62 × 259,562.64
  4. Step 4: Simplify right side
    659,076.24x = 256,434,811,554.20
  5. Step 5: Solve for x
    x = 256,434,811,554.20/659,076.24
  6. Step 6: Final answer
    x = 389,082.17

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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.