Home / 681,289.79-1,022,054.76-281,706.66

Finding the Fourth Proportional to 681,289.79, 1,022,054.76 and 281,706.66

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Solution

The fourth proportional to 681,289.79, 1,022,054.76 and 281,706.66 is: 422,609.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,289.79 : 1,022,054.76 = 281,706.66 : x
  2. Step 2: Convert to fraction form
    681,289.79/1,022,054.76 = 281,706.66/x
  3. Step 3: Cross multiply
    681,289.79x = 1,022,054.76 × 281,706.66
  4. Step 4: Simplify right side
    681,289.79x = 287,919,632,776.70
  5. Step 5: Solve for x
    x = 287,919,632,776.70/681,289.79
  6. Step 6: Final answer
    x = 422,609.64

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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.