Home / 824,555.22-1,236,815.31-225,516.39

Finding the Fourth Proportional to 824,555.22, 1,236,815.31 and 225,516.39

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Solution

The fourth proportional to 824,555.22, 1,236,815.31 and 225,516.39 is: 338,269.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,555.22 : 1,236,815.31 = 225,516.39 : x
  2. Step 2: Convert to fraction form
    824,555.22/1,236,815.31 = 225,516.39/x
  3. Step 3: Cross multiply
    824,555.22x = 1,236,815.31 × 225,516.39
  4. Step 4: Simplify right side
    824,555.22x = 278,922,123,807.93
  5. Step 5: Solve for x
    x = 278,922,123,807.93/824,555.22
  6. Step 6: Final answer
    x = 338,269.79

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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.