Home / 809,244.60-1,213,751.70-276,790.20

Finding the Fourth Proportional to 809,244.60, 1,213,751.70 and 276,790.20

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Solution

The fourth proportional to 809,244.60, 1,213,751.70 and 276,790.20 is: 415,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,244.60 : 1,213,751.70 = 276,790.20 : x
  2. Step 2: Convert to fraction form
    809,244.60/1,213,751.70 = 276,790.20/x
  3. Step 3: Cross multiply
    809,244.60x = 1,213,751.70 × 276,790.20
  4. Step 4: Simplify right side
    809,244.60x = 335,954,575,793.34
  5. Step 5: Solve for x
    x = 335,954,575,793.34/809,244.60
  6. Step 6: Final answer
    x = 415,145.90

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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.