Home / 809,481.78-1,117,086.52-446,906.34

Finding the Fourth Proportional to 809,481.78, 1,117,086.52 and 446,906.34

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Solution

The fourth proportional to 809,481.78, 1,117,086.52 and 446,906.34 is: 616,731.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,481.78 : 1,117,086.52 = 446,906.34 : x
  2. Step 2: Convert to fraction form
    809,481.78/1,117,086.52 = 446,906.34/x
  3. Step 3: Cross multiply
    809,481.78x = 1,117,086.52 × 446,906.34
  4. Step 4: Simplify right side
    809,481.78x = 499,233,048,116.54
  5. Step 5: Solve for x
    x = 499,233,048,116.54/809,481.78
  6. Step 6: Final answer
    x = 616,731.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.