Home / 789,491.20-1,184,235.36-228,524.80

Finding the Fourth Proportional to 789,491.20, 1,184,235.36 and 228,524.80

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Solution

The fourth proportional to 789,491.20, 1,184,235.36 and 228,524.80 is: 342,786.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,491.20 : 1,184,235.36 = 228,524.80 : x
  2. Step 2: Convert to fraction form
    789,491.20/1,184,235.36 = 228,524.80/x
  3. Step 3: Cross multiply
    789,491.20x = 1,184,235.36 × 228,524.80
  4. Step 4: Simplify right side
    789,491.20x = 270,627,148,796.93
  5. Step 5: Solve for x
    x = 270,627,148,796.93/789,491.20
  6. Step 6: Final answer
    x = 342,786.78

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Double scale
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Similar ratio
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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.