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Finding the Fourth Proportional to 800,347.74, 1,200,523.62 and 327,033.09

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Solution

The fourth proportional to 800,347.74, 1,200,523.62 and 327,033.09 is: 490,550.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,347.74 : 1,200,523.62 = 327,033.09 : x
  2. Step 2: Convert to fraction form
    800,347.74/1,200,523.62 = 327,033.09/x
  3. Step 3: Cross multiply
    800,347.74x = 1,200,523.62 × 327,033.09
  4. Step 4: Simplify right side
    800,347.74x = 392,610,949,066.59
  5. Step 5: Solve for x
    x = 392,610,949,066.59/800,347.74
  6. Step 6: Final answer
    x = 490,550.46

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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.