Home / 803,855.88-1,206,020.68-323,836.68

Finding the Fourth Proportional to 803,855.88, 1,206,020.68 and 323,836.68

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Solution

The fourth proportional to 803,855.88, 1,206,020.68 and 323,836.68 is: 485,850.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,855.88 : 1,206,020.68 = 323,836.68 : x
  2. Step 2: Convert to fraction form
    803,855.88/1,206,020.68 = 323,836.68/x
  3. Step 3: Cross multiply
    803,855.88x = 1,206,020.68 × 323,836.68
  4. Step 4: Simplify right side
    803,855.88x = 390,553,733,022.54
  5. Step 5: Solve for x
    x = 390,553,733,022.54/803,855.88
  6. Step 6: Final answer
    x = 485,850.44

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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.