Home / 800,462.54-1,198,769.63-457,867.62

Finding the Fourth Proportional to 800,462.54, 1,198,769.63 and 457,867.62

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Solution

The fourth proportional to 800,462.54, 1,198,769.63 and 457,867.62 is: 685,700.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,462.54 : 1,198,769.63 = 457,867.62 : x
  2. Step 2: Convert to fraction form
    800,462.54/1,198,769.63 = 457,867.62/x
  3. Step 3: Cross multiply
    800,462.54x = 1,198,769.63 × 457,867.62
  4. Step 4: Simplify right side
    800,462.54x = 548,877,797,416.38
  5. Step 5: Solve for x
    x = 548,877,797,416.38/800,462.54
  6. Step 6: Final answer
    x = 685,700.79

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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.