Home / 800,867.61-1,201,287.24-201,815.37

Finding the Fourth Proportional to 800,867.61, 1,201,287.24 and 201,815.37

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Solution

The fourth proportional to 800,867.61, 1,201,287.24 and 201,815.37 is: 302,719.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,867.61 : 1,201,287.24 = 201,815.37 : x
  2. Step 2: Convert to fraction form
    800,867.61/1,201,287.24 = 201,815.37/x
  3. Step 3: Cross multiply
    800,867.61x = 1,201,287.24 × 201,815.37
  4. Step 4: Simplify right side
    800,867.61x = 242,438,228,816.88
  5. Step 5: Solve for x
    x = 242,438,228,816.88/800,867.61
  6. Step 6: Final answer
    x = 302,719.48

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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.