Home / 690,997.94-1,036,584.42-270,219.14

Finding the Fourth Proportional to 690,997.94, 1,036,584.42 and 270,219.14

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Solution

The fourth proportional to 690,997.94, 1,036,584.42 and 270,219.14 is: 405,362.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,997.94 : 1,036,584.42 = 270,219.14 : x
  2. Step 2: Convert to fraction form
    690,997.94/1,036,584.42 = 270,219.14/x
  3. Step 3: Cross multiply
    690,997.94x = 1,036,584.42 × 270,219.14
  4. Step 4: Simplify right side
    690,997.94x = 280,104,950,509.80
  5. Step 5: Solve for x
    x = 280,104,950,509.80/690,997.94
  6. Step 6: Final answer
    x = 405,362.93

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Similar ratio
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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.