Home / 681,944.93-1,022,958.34-208,634.39

Finding the Fourth Proportional to 681,944.93, 1,022,958.34 and 208,634.39

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Solution

The fourth proportional to 681,944.93, 1,022,958.34 and 208,634.39 is: 312,964.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,944.93 : 1,022,958.34 = 208,634.39 : x
  2. Step 2: Convert to fraction form
    681,944.93/1,022,958.34 = 208,634.39/x
  3. Step 3: Cross multiply
    681,944.93x = 1,022,958.34 × 208,634.39
  4. Step 4: Simplify right side
    681,944.93x = 213,424,289,261.31
  5. Step 5: Solve for x
    x = 213,424,289,261.31/681,944.93
  6. Step 6: Final answer
    x = 312,964.11

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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.