Home / 762,379.87-1,052,098.26-418,233.37

Finding the Fourth Proportional to 762,379.87, 1,052,098.26 and 418,233.37

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Solution

The fourth proportional to 762,379.87, 1,052,098.26 and 418,233.37 is: 577,169.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,379.87 : 1,052,098.26 = 418,233.37 : x
  2. Step 2: Convert to fraction form
    762,379.87/1,052,098.26 = 418,233.37/x
  3. Step 3: Cross multiply
    762,379.87x = 1,052,098.26 × 418,233.37
  4. Step 4: Simplify right side
    762,379.87x = 440,022,600,850.94
  5. Step 5: Solve for x
    x = 440,022,600,850.94/762,379.87
  6. Step 6: Final answer
    x = 577,169.75

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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.