Home / 829,226.88-1,243,836.09-323,839.17

Finding the Fourth Proportional to 829,226.88, 1,243,836.09 and 323,839.17

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Solution

The fourth proportional to 829,226.88, 1,243,836.09 and 323,839.17 is: 485,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,226.88 : 1,243,836.09 = 323,839.17 : x
  2. Step 2: Convert to fraction form
    829,226.88/1,243,836.09 = 323,839.17/x
  3. Step 3: Cross multiply
    829,226.88x = 1,243,836.09 × 323,839.17
  4. Step 4: Simplify right side
    829,226.88x = 402,802,847,001.65
  5. Step 5: Solve for x
    x = 402,802,847,001.65/829,226.88
  6. Step 6: Final answer
    x = 485,757.10

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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.