Home / 892,261.20-1,339,266.60-443,488.80

Finding the Fourth Proportional to 892,261.20, 1,339,266.60 and 443,488.80

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Solution

The fourth proportional to 892,261.20, 1,339,266.60 and 443,488.80 is: 665,668.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,261.20 : 1,339,266.60 = 443,488.80 : x
  2. Step 2: Convert to fraction form
    892,261.20/1,339,266.60 = 443,488.80/x
  3. Step 3: Cross multiply
    892,261.20x = 1,339,266.60 × 443,488.80
  4. Step 4: Simplify right side
    892,261.20x = 593,949,737,314.08
  5. Step 5: Solve for x
    x = 593,949,737,314.08/892,261.20
  6. Step 6: Final answer
    x = 665,668.01

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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.