Home / 681,942.93-1,022,955.34-208,632.39

Finding the Fourth Proportional to 681,942.93, 1,022,955.34 and 208,632.39

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Solution

The fourth proportional to 681,942.93, 1,022,955.34 and 208,632.39 is: 312,961.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,942.93 : 1,022,955.34 = 208,632.39 : x
  2. Step 2: Convert to fraction form
    681,942.93/1,022,955.34 = 208,632.39/x
  3. Step 3: Cross multiply
    681,942.93x = 1,022,955.34 × 208,632.39
  4. Step 4: Simplify right side
    681,942.93x = 213,421,617,447.46
  5. Step 5: Solve for x
    x = 213,421,617,447.46/681,942.93
  6. Step 6: Final answer
    x = 312,961.11

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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.