Home / 775,839.75-1,163,759.63-214,874.25

Finding the Fourth Proportional to 775,839.75, 1,163,759.63 and 214,874.25

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Solution

The fourth proportional to 775,839.75, 1,163,759.63 and 214,874.25 is: 322,311.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,839.75 : 1,163,759.63 = 214,874.25 : x
  2. Step 2: Convert to fraction form
    775,839.75/1,163,759.63 = 214,874.25/x
  3. Step 3: Cross multiply
    775,839.75x = 1,163,759.63 × 214,874.25
  4. Step 4: Simplify right side
    775,839.75x = 250,061,976,602.16
  5. Step 5: Solve for x
    x = 250,061,976,602.16/775,839.75
  6. Step 6: Final answer
    x = 322,311.38

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Double scale
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Similar ratio
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1.5x scale

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.