Home / 762,379.88-1,052,098.26-418,233.38

Finding the Fourth Proportional to 762,379.88, 1,052,098.26 and 418,233.38

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Solution

The fourth proportional to 762,379.88, 1,052,098.26 and 418,233.38 is: 577,169.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,379.88 : 1,052,098.26 = 418,233.38 : x
  2. Step 2: Convert to fraction form
    762,379.88/1,052,098.26 = 418,233.38/x
  3. Step 3: Cross multiply
    762,379.88x = 1,052,098.26 × 418,233.38
  4. Step 4: Simplify right side
    762,379.88x = 440,022,611,371.92
  5. Step 5: Solve for x
    x = 440,022,611,371.92/762,379.88
  6. Step 6: Final answer
    x = 577,169.76

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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.