Home / 690,893.93-1,036,340.91-269,874.56

Finding the Fourth Proportional to 690,893.93, 1,036,340.91 and 269,874.56

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Solution

The fourth proportional to 690,893.93, 1,036,340.91 and 269,874.56 is: 404,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,893.93 : 1,036,340.91 = 269,874.56 : x
  2. Step 2: Convert to fraction form
    690,893.93/1,036,340.91 = 269,874.56/x
  3. Step 3: Cross multiply
    690,893.93x = 1,036,340.91 × 269,874.56
  4. Step 4: Simplify right side
    690,893.93x = 279,682,049,687.10
  5. Step 5: Solve for x
    x = 279,682,049,687.10/690,893.93
  6. Step 6: Final answer
    x = 404,811.85

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1.5x scale

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.