Home / 680,097.42-1,020,203.25-206,786.88

Finding the Fourth Proportional to 680,097.42, 1,020,203.25 and 206,786.88

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Solution

The fourth proportional to 680,097.42, 1,020,203.25 and 206,786.88 is: 310,197.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,097.42 : 1,020,203.25 = 206,786.88 : x
  2. Step 2: Convert to fraction form
    680,097.42/1,020,203.25 = 206,786.88/x
  3. Step 3: Cross multiply
    680,097.42x = 1,020,203.25 × 206,786.88
  4. Step 4: Simplify right side
    680,097.42x = 210,964,647,033.36
  5. Step 5: Solve for x
    x = 210,964,647,033.36/680,097.42
  6. Step 6: Final answer
    x = 310,197.69

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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.