Home / 3,111,584.50-4,667,376.75-747,680.50

Finding the Fourth Proportional to 3,111,584.50, 4,667,376.75 and 747,680.50

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Solution

The fourth proportional to 3,111,584.50, 4,667,376.75 and 747,680.50 is: 1,121,520.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,584.50 : 4,667,376.75 = 747,680.50 : x
  2. Step 2: Convert to fraction form
    3,111,584.50/4,667,376.75 = 747,680.50/x
  3. Step 3: Cross multiply
    3,111,584.50x = 4,667,376.75 × 747,680.50
  4. Step 4: Simplify right side
    3,111,584.50x = 3,489,706,582,128.38
  5. Step 5: Solve for x
    x = 3,489,706,582,128.38/3,111,584.50
  6. Step 6: Final answer
    x = 1,121,520.75

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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.