Home / 929,386.33-1,394,137.81-298,286.17

Finding the Fourth Proportional to 929,386.33, 1,394,137.81 and 298,286.17

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Solution

The fourth proportional to 929,386.33, 1,394,137.81 and 298,286.17 is: 447,447.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,386.33 : 1,394,137.81 = 298,286.17 : x
  2. Step 2: Convert to fraction form
    929,386.33/1,394,137.81 = 298,286.17/x
  3. Step 3: Cross multiply
    929,386.33x = 1,394,137.81 × 298,286.17
  4. Step 4: Simplify right side
    929,386.33x = 415,852,027,797.09
  5. Step 5: Solve for x
    x = 415,852,027,797.09/929,386.33
  6. Step 6: Final answer
    x = 447,447.97

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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.