Home / 809,084.80-1,214,113.20-335,720.80

Finding the Fourth Proportional to 809,084.80, 1,214,113.20 and 335,720.80

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Solution

The fourth proportional to 809,084.80, 1,214,113.20 and 335,720.80 is: 503,782.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,084.80 : 1,214,113.20 = 335,720.80 : x
  2. Step 2: Convert to fraction form
    809,084.80/1,214,113.20 = 335,720.80/x
  3. Step 3: Cross multiply
    809,084.80x = 1,214,113.20 × 335,720.80
  4. Step 4: Simplify right side
    809,084.80x = 407,603,054,794.56
  5. Step 5: Solve for x
    x = 407,603,054,794.56/809,084.80
  6. Step 6: Final answer
    x = 503,782.86

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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.