Home / 851,727.96-1,277,591.94-220,641.75

Finding the Fourth Proportional to 851,727.96, 1,277,591.94 and 220,641.75

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Solution

The fourth proportional to 851,727.96, 1,277,591.94 and 220,641.75 is: 330,962.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,727.96 : 1,277,591.94 = 220,641.75 : x
  2. Step 2: Convert to fraction form
    851,727.96/1,277,591.94 = 220,641.75/x
  3. Step 3: Cross multiply
    851,727.96x = 1,277,591.94 × 220,641.75
  4. Step 4: Simplify right side
    851,727.96x = 281,890,121,427.50
  5. Step 5: Solve for x
    x = 281,890,121,427.50/851,727.96
  6. Step 6: Final answer
    x = 330,962.63

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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.