Home / 892,769.85-1,338,740.46-324,079.38

Finding the Fourth Proportional to 892,769.85, 1,338,740.46 and 324,079.38

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Solution

The fourth proportional to 892,769.85, 1,338,740.46 and 324,079.38 is: 485,968.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,769.85 : 1,338,740.46 = 324,079.38 : x
  2. Step 2: Convert to fraction form
    892,769.85/1,338,740.46 = 324,079.38/x
  3. Step 3: Cross multiply
    892,769.85x = 1,338,740.46 × 324,079.38
  4. Step 4: Simplify right side
    892,769.85x = 433,858,178,257.72
  5. Step 5: Solve for x
    x = 433,858,178,257.72/892,769.85
  6. Step 6: Final answer
    x = 485,968.67

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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.