Home / 809,956.72-1,117,734.96-447,403.96

Finding the Fourth Proportional to 809,956.72, 1,117,734.96 and 447,403.96

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Solution

The fourth proportional to 809,956.72, 1,117,734.96 and 447,403.96 is: 617,414.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,956.72 : 1,117,734.96 = 447,403.96 : x
  2. Step 2: Convert to fraction form
    809,956.72/1,117,734.96 = 447,403.96/x
  3. Step 3: Cross multiply
    809,956.72x = 1,117,734.96 × 447,403.96
  4. Step 4: Simplify right side
    809,956.72x = 500,079,047,334.44
  5. Step 5: Solve for x
    x = 500,079,047,334.44/809,956.72
  6. Step 6: Final answer
    x = 617,414.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.