Home / 829,943.88-1,244,470.26-261,218.52

Finding the Fourth Proportional to 829,943.88, 1,244,470.26 and 261,218.52

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Solution

The fourth proportional to 829,943.88, 1,244,470.26 and 261,218.52 is: 391,687.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,943.88 : 1,244,470.26 = 261,218.52 : x
  2. Step 2: Convert to fraction form
    829,943.88/1,244,470.26 = 261,218.52/x
  3. Step 3: Cross multiply
    829,943.88x = 1,244,470.26 × 261,218.52
  4. Step 4: Simplify right side
    829,943.88x = 325,078,679,501.22
  5. Step 5: Solve for x
    x = 325,078,679,501.22/829,943.88
  6. Step 6: Final answer
    x = 391,687.54

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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.