Home / 690,896.94-1,036,257.93-270,468.06

Finding the Fourth Proportional to 690,896.94, 1,036,257.93 and 270,468.06

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Solution

The fourth proportional to 690,896.94, 1,036,257.93 and 270,468.06 is: 405,667.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,896.94 : 1,036,257.93 = 270,468.06 : x
  2. Step 2: Convert to fraction form
    690,896.94/1,036,257.93 = 270,468.06/x
  3. Step 3: Cross multiply
    690,896.94x = 1,036,257.93 × 270,468.06
  4. Step 4: Simplify right side
    690,896.94x = 280,274,671,986.72
  5. Step 5: Solve for x
    x = 280,274,671,986.72/690,896.94
  6. Step 6: Final answer
    x = 405,667.84

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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.