Home / 680,914.80-1,021,469.40-231,656.40

Finding the Fourth Proportional to 680,914.80, 1,021,469.40 and 231,656.40

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Solution

The fourth proportional to 680,914.80, 1,021,469.40 and 231,656.40 is: 347,517.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,914.80 : 1,021,469.40 = 231,656.40 : x
  2. Step 2: Convert to fraction form
    680,914.80/1,021,469.40 = 231,656.40/x
  3. Step 3: Cross multiply
    680,914.80x = 1,021,469.40 × 231,656.40
  4. Step 4: Simplify right side
    680,914.80x = 236,629,923,914.16
  5. Step 5: Solve for x
    x = 236,629,923,914.16/680,914.80
  6. Step 6: Final answer
    x = 347,517.67

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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.