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Finding the Fourth Proportional to 580,650.62, 870,975.60 and 181,325.61

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Solution

The fourth proportional to 580,650.62, 870,975.60 and 181,325.61 is: 271,988.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,650.62 : 870,975.60 = 181,325.61 : x
  2. Step 2: Convert to fraction form
    580,650.62/870,975.60 = 181,325.61/x
  3. Step 3: Cross multiply
    580,650.62x = 870,975.60 × 181,325.61
  4. Step 4: Simplify right side
    580,650.62x = 157,930,181,965.12
  5. Step 5: Solve for x
    x = 157,930,181,965.12/580,650.62
  6. Step 6: Final answer
    x = 271,988.31

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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.