Home / 814,725.60-1,222,234.20-341,458.80

Finding the Fourth Proportional to 814,725.60, 1,222,234.20 and 341,458.80

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Solution

The fourth proportional to 814,725.60, 1,222,234.20 and 341,458.80 is: 512,249.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,725.60 : 1,222,234.20 = 341,458.80 : x
  2. Step 2: Convert to fraction form
    814,725.60/1,222,234.20 = 341,458.80/x
  3. Step 3: Cross multiply
    814,725.60x = 1,222,234.20 × 341,458.80
  4. Step 4: Simplify right side
    814,725.60x = 417,342,623,250.96
  5. Step 5: Solve for x
    x = 417,342,623,250.96/814,725.60
  6. Step 6: Final answer
    x = 512,249.31

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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.