Home / 829,218.04-1,144,616.34-489,687.64

Finding the Fourth Proportional to 829,218.04, 1,144,616.34 and 489,687.64

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Solution

The fourth proportional to 829,218.04, 1,144,616.34 and 489,687.64 is: 675,943.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,218.04 : 1,144,616.34 = 489,687.64 : x
  2. Step 2: Convert to fraction form
    829,218.04/1,144,616.34 = 489,687.64/x
  3. Step 3: Cross multiply
    829,218.04x = 1,144,616.34 × 489,687.64
  4. Step 4: Simplify right side
    829,218.04x = 560,504,474,240.04
  5. Step 5: Solve for x
    x = 560,504,474,240.04/829,218.04
  6. Step 6: Final answer
    x = 675,943.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.