Home / 829,554.78-1,244,529-268,589.28

Finding the Fourth Proportional to 829,554.78, 1,244,529 and 268,589.28

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Solution

The fourth proportional to 829,554.78, 1,244,529 and 268,589.28 is: 402,947.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,554.78 : 1,244,529 = 268,589.28 : x
  2. Step 2: Convert to fraction form
    829,554.78/1,244,529 = 268,589.28/x
  3. Step 3: Cross multiply
    829,554.78x = 1,244,529 × 268,589.28
  4. Step 4: Simplify right side
    829,554.78x = 334,267,148,049.12
  5. Step 5: Solve for x
    x = 334,267,148,049.12/829,554.78
  6. Step 6: Final answer
    x = 402,947.65

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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.