Home / 680,093.42-1,020,197.23-206,782.88

Finding the Fourth Proportional to 680,093.42, 1,020,197.23 and 206,782.88

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Solution

The fourth proportional to 680,093.42, 1,020,197.23 and 206,782.88 is: 310,191.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,093.42 : 1,020,197.23 = 206,782.88 : x
  2. Step 2: Convert to fraction form
    680,093.42/1,020,197.23 = 206,782.88/x
  3. Step 3: Cross multiply
    680,093.42x = 1,020,197.23 × 206,782.88
  4. Step 4: Simplify right side
    680,093.42x = 210,959,316,286.44
  5. Step 5: Solve for x
    x = 210,959,316,286.44/680,093.42
  6. Step 6: Final answer
    x = 310,191.68

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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.