Home / 815,199.34-1,222,405.62-341,757.58

Finding the Fourth Proportional to 815,199.34, 1,222,405.62 and 341,757.58

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Solution

The fourth proportional to 815,199.34, 1,222,405.62 and 341,757.58 is: 512,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,199.34 : 1,222,405.62 = 341,757.58 : x
  2. Step 2: Convert to fraction form
    815,199.34/1,222,405.62 = 341,757.58/x
  3. Step 3: Cross multiply
    815,199.34x = 1,222,405.62 × 341,757.58
  4. Step 4: Simplify right side
    815,199.34x = 417,766,386,469.60
  5. Step 5: Solve for x
    x = 417,766,386,469.60/815,199.34
  6. Step 6: Final answer
    x = 512,471.45

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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.