Home / 1,338,719.63-2,008,079.44-341,447.63

Finding the Fourth Proportional to 1,338,719.63, 2,008,079.44 and 341,447.63

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Solution

The fourth proportional to 1,338,719.63, 2,008,079.44 and 341,447.63 is: 512,171.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,719.63 : 2,008,079.44 = 341,447.63 : x
  2. Step 2: Convert to fraction form
    1,338,719.63/2,008,079.44 = 341,447.63/x
  3. Step 3: Cross multiply
    1,338,719.63x = 2,008,079.44 × 341,447.63
  4. Step 4: Simplify right side
    1,338,719.63x = 685,653,954,745.71
  5. Step 5: Solve for x
    x = 685,653,954,745.71/1,338,719.63
  6. Step 6: Final answer
    x = 512,171.44

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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.