Home / 842,533.92-1,263,800.88-281,568.42

Finding the Fourth Proportional to 842,533.92, 1,263,800.88 and 281,568.42

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Solution

The fourth proportional to 842,533.92, 1,263,800.88 and 281,568.42 is: 422,352.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,533.92 : 1,263,800.88 = 281,568.42 : x
  2. Step 2: Convert to fraction form
    842,533.92/1,263,800.88 = 281,568.42/x
  3. Step 3: Cross multiply
    842,533.92x = 1,263,800.88 × 281,568.42
  4. Step 4: Simplify right side
    842,533.92x = 355,846,416,976.21
  5. Step 5: Solve for x
    x = 355,846,416,976.21/842,533.92
  6. Step 6: Final answer
    x = 422,352.63

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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.