Home / 649,664.20-974,496.30-228,982.60

Finding the Fourth Proportional to 649,664.20, 974,496.30 and 228,982.60

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Solution

The fourth proportional to 649,664.20, 974,496.30 and 228,982.60 is: 343,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,664.20 : 974,496.30 = 228,982.60 : x
  2. Step 2: Convert to fraction form
    649,664.20/974,496.30 = 228,982.60/x
  3. Step 3: Cross multiply
    649,664.20x = 974,496.30 × 228,982.60
  4. Step 4: Simplify right side
    649,664.20x = 223,142,696,464.38
  5. Step 5: Solve for x
    x = 223,142,696,464.38/649,664.20
  6. Step 6: Final answer
    x = 343,473.90

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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.