Home / 827,629.72-1,241,419.92-228,626.80

Finding the Fourth Proportional to 827,629.72, 1,241,419.92 and 228,626.80

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Solution

The fourth proportional to 827,629.72, 1,241,419.92 and 228,626.80 is: 342,933.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,629.72 : 1,241,419.92 = 228,626.80 : x
  2. Step 2: Convert to fraction form
    827,629.72/1,241,419.92 = 228,626.80/x
  3. Step 3: Cross multiply
    827,629.72x = 1,241,419.92 × 228,626.80
  4. Step 4: Simplify right side
    827,629.72x = 283,821,863,765.86
  5. Step 5: Solve for x
    x = 283,821,863,765.86/827,629.72
  6. Step 6: Final answer
    x = 342,933.39

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1.5x scale

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.