Home / 842,516.44-1,263,774.67-281,550.94

Finding the Fourth Proportional to 842,516.44, 1,263,774.67 and 281,550.94

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Solution

The fourth proportional to 842,516.44, 1,263,774.67 and 281,550.94 is: 422,326.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,516.44 : 1,263,774.67 = 281,550.94 : x
  2. Step 2: Convert to fraction form
    842,516.44/1,263,774.67 = 281,550.94/x
  3. Step 3: Cross multiply
    842,516.44x = 1,263,774.67 × 281,550.94
  4. Step 4: Simplify right side
    842,516.44x = 355,816,942,423.38
  5. Step 5: Solve for x
    x = 355,816,942,423.38/842,516.44
  6. Step 6: Final answer
    x = 422,326.41

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Double scale
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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.