Home / 649,183.20-972,997.20-333,477.60

Finding the Fourth Proportional to 649,183.20, 972,997.20 and 333,477.60

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Solution

The fourth proportional to 649,183.20, 972,997.20 and 333,477.60 is: 499,816.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,183.20 : 972,997.20 = 333,477.60 : x
  2. Step 2: Convert to fraction form
    649,183.20/972,997.20 = 333,477.60/x
  3. Step 3: Cross multiply
    649,183.20x = 972,997.20 × 333,477.60
  4. Step 4: Simplify right side
    649,183.20x = 324,472,771,062.72
  5. Step 5: Solve for x
    x = 324,472,771,062.72/649,183.20
  6. Step 6: Final answer
    x = 499,816.96

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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.