Home / 668,667.57-1,002,966.03-219,329.25

Finding the Fourth Proportional to 668,667.57, 1,002,966.03 and 219,329.25

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Solution

The fourth proportional to 668,667.57, 1,002,966.03 and 219,329.25 is: 328,982.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,667.57 : 1,002,966.03 = 219,329.25 : x
  2. Step 2: Convert to fraction form
    668,667.57/1,002,966.03 = 219,329.25/x
  3. Step 3: Cross multiply
    668,667.57x = 1,002,966.03 × 219,329.25
  4. Step 4: Simplify right side
    668,667.57x = 219,979,787,135.38
  5. Step 5: Solve for x
    x = 219,979,787,135.38/668,667.57
  6. Step 6: Final answer
    x = 328,982.29

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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.