Home / 680,225.85-1,019,985.82-200,391.37

Finding the Fourth Proportional to 680,225.85, 1,019,985.82 and 200,391.37

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Solution

The fourth proportional to 680,225.85, 1,019,985.82 and 200,391.37 is: 300,483.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,225.85 : 1,019,985.82 = 200,391.37 : x
  2. Step 2: Convert to fraction form
    680,225.85/1,019,985.82 = 200,391.37/x
  3. Step 3: Cross multiply
    680,225.85x = 1,019,985.82 × 200,391.37
  4. Step 4: Simplify right side
    680,225.85x = 204,396,352,799.43
  5. Step 5: Solve for x
    x = 204,396,352,799.43/680,225.85
  6. Step 6: Final answer
    x = 300,483.07

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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.