Home / 723,861.20-1,085,921.40-303,179.60

Finding the Fourth Proportional to 723,861.20, 1,085,921.40 and 303,179.60

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Solution

The fourth proportional to 723,861.20, 1,085,921.40 and 303,179.60 is: 454,823.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,861.20 : 1,085,921.40 = 303,179.60 : x
  2. Step 2: Convert to fraction form
    723,861.20/1,085,921.40 = 303,179.60/x
  3. Step 3: Cross multiply
    723,861.20x = 1,085,921.40 × 303,179.60
  4. Step 4: Simplify right side
    723,861.20x = 329,229,215,683.44
  5. Step 5: Solve for x
    x = 329,229,215,683.44/723,861.20
  6. Step 6: Final answer
    x = 454,823.68

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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.