Home / 899,321.60-1,348,951.20-225,408.80

Finding the Fourth Proportional to 899,321.60, 1,348,951.20 and 225,408.80

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Solution

The fourth proportional to 899,321.60, 1,348,951.20 and 225,408.80 is: 338,105.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,321.60 : 1,348,951.20 = 225,408.80 : x
  2. Step 2: Convert to fraction form
    899,321.60/1,348,951.20 = 225,408.80/x
  3. Step 3: Cross multiply
    899,321.60x = 1,348,951.20 × 225,408.80
  4. Step 4: Simplify right side
    899,321.60x = 304,065,471,250.56
  5. Step 5: Solve for x
    x = 304,065,471,250.56/899,321.60
  6. Step 6: Final answer
    x = 338,105.38

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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.