Home / 892,771.85-1,338,743.46-324,081.38

Finding the Fourth Proportional to 892,771.85, 1,338,743.46 and 324,081.38

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Solution

The fourth proportional to 892,771.85, 1,338,743.46 and 324,081.38 is: 485,971.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,771.85 : 1,338,743.46 = 324,081.38 : x
  2. Step 2: Convert to fraction form
    892,771.85/1,338,743.46 = 324,081.38/x
  3. Step 3: Cross multiply
    892,771.85x = 1,338,743.46 × 324,081.38
  4. Step 4: Simplify right side
    892,771.85x = 433,861,827,982.78
  5. Step 5: Solve for x
    x = 433,861,827,982.78/892,771.85
  6. Step 6: Final answer
    x = 485,971.67

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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.