Home / 827,408.25-1,241,183.76-228,369.42

Finding the Fourth Proportional to 827,408.25, 1,241,183.76 and 228,369.42

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Solution

The fourth proportional to 827,408.25, 1,241,183.76 and 228,369.42 is: 342,573.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,408.25 : 1,241,183.76 = 228,369.42 : x
  2. Step 2: Convert to fraction form
    827,408.25/1,241,183.76 = 228,369.42/x
  3. Step 3: Cross multiply
    827,408.25x = 1,241,183.76 × 228,369.42
  4. Step 4: Simplify right side
    827,408.25x = 283,448,415,384.62
  5. Step 5: Solve for x
    x = 283,448,415,384.62/827,408.25
  6. Step 6: Final answer
    x = 342,573.83

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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.