Home / 886,013.97-1,329,296.72-317,399.97

Finding the Fourth Proportional to 886,013.97, 1,329,296.72 and 317,399.97

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Solution

The fourth proportional to 886,013.97, 1,329,296.72 and 317,399.97 is: 476,198.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,013.97 : 1,329,296.72 = 317,399.97 : x
  2. Step 2: Convert to fraction form
    886,013.97/1,329,296.72 = 317,399.97/x
  3. Step 3: Cross multiply
    886,013.97x = 1,329,296.72 × 317,399.97
  4. Step 4: Simplify right side
    886,013.97x = 421,918,737,462.10
  5. Step 5: Solve for x
    x = 421,918,737,462.10/886,013.97
  6. Step 6: Final answer
    x = 476,198.74

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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.