Home / 680,324.13-1,020,406.92-253,874.62

Finding the Fourth Proportional to 680,324.13, 1,020,406.92 and 253,874.62

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Solution

The fourth proportional to 680,324.13, 1,020,406.92 and 253,874.62 is: 380,782.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,324.13 : 1,020,406.92 = 253,874.62 : x
  2. Step 2: Convert to fraction form
    680,324.13/1,020,406.92 = 253,874.62/x
  3. Step 3: Cross multiply
    680,324.13x = 1,020,406.92 × 253,874.62
  4. Step 4: Simplify right side
    680,324.13x = 259,055,419,383.85
  5. Step 5: Solve for x
    x = 259,055,419,383.85/680,324.13
  6. Step 6: Final answer
    x = 380,782.35

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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.