Home / 892,325.28-1,338,505.18-218,412.48

Finding the Fourth Proportional to 892,325.28, 1,338,505.18 and 218,412.48

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Solution

The fourth proportional to 892,325.28, 1,338,505.18 and 218,412.48 is: 327,622.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,325.28 : 1,338,505.18 = 218,412.48 : x
  2. Step 2: Convert to fraction form
    892,325.28/1,338,505.18 = 218,412.48/x
  3. Step 3: Cross multiply
    892,325.28x = 1,338,505.18 × 218,412.48
  4. Step 4: Simplify right side
    892,325.28x = 292,346,235,856.65
  5. Step 5: Solve for x
    x = 292,346,235,856.65/892,325.28
  6. Step 6: Final answer
    x = 327,622.94

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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.