Home / 800,329.71-1,200,496.61-327,015.07

Finding the Fourth Proportional to 800,329.71, 1,200,496.61 and 327,015.07

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Solution

The fourth proportional to 800,329.71, 1,200,496.61 and 327,015.07 is: 490,523.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,329.71 : 1,200,496.61 = 327,015.07 : x
  2. Step 2: Convert to fraction form
    800,329.71/1,200,496.61 = 327,015.07/x
  3. Step 3: Cross multiply
    800,329.71x = 1,200,496.61 × 327,015.07
  4. Step 4: Simplify right side
    800,329.71x = 392,580,483,148.18
  5. Step 5: Solve for x
    x = 392,580,483,148.18/800,329.71
  6. Step 6: Final answer
    x = 490,523.44

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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.