Home / 809,080.34-1,213,751.73-303,680.84

Finding the Fourth Proportional to 809,080.34, 1,213,751.73 and 303,680.84

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Solution

The fourth proportional to 809,080.34, 1,213,751.73 and 303,680.84 is: 455,570.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,080.34 : 1,213,751.73 = 303,680.84 : x
  2. Step 2: Convert to fraction form
    809,080.34/1,213,751.73 = 303,680.84/x
  3. Step 3: Cross multiply
    809,080.34x = 1,213,751.73 × 303,680.84
  4. Step 4: Simplify right side
    809,080.34x = 368,593,144,917.85
  5. Step 5: Solve for x
    x = 368,593,144,917.85/809,080.34
  6. Step 6: Final answer
    x = 455,570.51

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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.