Home / 680,104.42-1,020,029.73-275,190.52

Finding the Fourth Proportional to 680,104.42, 1,020,029.73 and 275,190.52

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Solution

The fourth proportional to 680,104.42, 1,020,029.73 and 275,190.52 is: 412,734.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,104.42 : 1,020,029.73 = 275,190.52 : x
  2. Step 2: Convert to fraction form
    680,104.42/1,020,029.73 = 275,190.52/x
  3. Step 3: Cross multiply
    680,104.42x = 1,020,029.73 × 275,190.52
  4. Step 4: Simplify right side
    680,104.42x = 280,702,511,814.16
  5. Step 5: Solve for x
    x = 280,702,511,814.16/680,104.42
  6. Step 6: Final answer
    x = 412,734.43

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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.