Home / 825,137.82-1,237,724.01-264,170.70

Finding the Fourth Proportional to 825,137.82, 1,237,724.01 and 264,170.70

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Solution

The fourth proportional to 825,137.82, 1,237,724.01 and 264,170.70 is: 396,261.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,137.82 : 1,237,724.01 = 264,170.70 : x
  2. Step 2: Convert to fraction form
    825,137.82/1,237,724.01 = 264,170.70/x
  3. Step 3: Cross multiply
    825,137.82x = 1,237,724.01 × 264,170.70
  4. Step 4: Simplify right side
    825,137.82x = 326,970,418,128.51
  5. Step 5: Solve for x
    x = 326,970,418,128.51/825,137.82
  6. Step 6: Final answer
    x = 396,261.58

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Double scale
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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.