Home / 800,665.36-1,200,998.86-327,350.74

Finding the Fourth Proportional to 800,665.36, 1,200,998.86 and 327,350.74

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Solution

The fourth proportional to 800,665.36, 1,200,998.86 and 327,350.74 is: 491,026.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,665.36 : 1,200,998.86 = 327,350.74 : x
  2. Step 2: Convert to fraction form
    800,665.36/1,200,998.86 = 327,350.74/x
  3. Step 3: Cross multiply
    800,665.36x = 1,200,998.86 × 327,350.74
  4. Step 4: Simplify right side
    800,665.36x = 393,147,865,560.16
  5. Step 5: Solve for x
    x = 393,147,865,560.16/800,665.36
  6. Step 6: Final answer
    x = 491,026.45

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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.