Home / 800,664.36-1,200,997.36-327,349.74

Finding the Fourth Proportional to 800,664.36, 1,200,997.36 and 327,349.74

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Solution

The fourth proportional to 800,664.36, 1,200,997.36 and 327,349.74 is: 491,024.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,664.36 : 1,200,997.36 = 327,349.74 : x
  2. Step 2: Convert to fraction form
    800,664.36/1,200,997.36 = 327,349.74/x
  3. Step 3: Cross multiply
    800,664.36x = 1,200,997.36 × 327,349.74
  4. Step 4: Simplify right side
    800,664.36x = 393,146,173,536.69
  5. Step 5: Solve for x
    x = 393,146,173,536.69/800,664.36
  6. Step 6: Final answer
    x = 491,024.95

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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.