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Finding the Fourth Proportional to 801,958.86, 1,203,206.86 and 262,240.03

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Solution

The fourth proportional to 801,958.86, 1,203,206.86 and 262,240.03 is: 393,447.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,958.86 : 1,203,206.86 = 262,240.03 : x
  2. Step 2: Convert to fraction form
    801,958.86/1,203,206.86 = 262,240.03/x
  3. Step 3: Cross multiply
    801,958.86x = 1,203,206.86 × 262,240.03
  4. Step 4: Simplify right side
    801,958.86x = 315,529,003,419.31
  5. Step 5: Solve for x
    x = 315,529,003,419.31/801,958.86
  6. Step 6: Final answer
    x = 393,447.87

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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.