Home / 815,606.64-1,222,736.40-359,873.44

Finding the Fourth Proportional to 815,606.64, 1,222,736.40 and 359,873.44

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Solution

The fourth proportional to 815,606.64, 1,222,736.40 and 359,873.44 is: 539,512.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,606.64 : 1,222,736.40 = 359,873.44 : x
  2. Step 2: Convert to fraction form
    815,606.64/1,222,736.40 = 359,873.44/x
  3. Step 3: Cross multiply
    815,606.64x = 1,222,736.40 × 359,873.44
  4. Step 4: Simplify right side
    815,606.64x = 440,030,354,481.22
  5. Step 5: Solve for x
    x = 440,030,354,481.22/815,606.64
  6. Step 6: Final answer
    x = 539,512.96

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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.