Home / 892,986.78-1,339,491.24-261,913.62

Finding the Fourth Proportional to 892,986.78, 1,339,491.24 and 261,913.62

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Solution

The fourth proportional to 892,986.78, 1,339,491.24 and 261,913.62 is: 392,873.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,986.78 : 1,339,491.24 = 261,913.62 : x
  2. Step 2: Convert to fraction form
    892,986.78/1,339,491.24 = 261,913.62/x
  3. Step 3: Cross multiply
    892,986.78x = 1,339,491.24 × 261,913.62
  4. Step 4: Simplify right side
    892,986.78x = 350,830,999,626.69
  5. Step 5: Solve for x
    x = 350,830,999,626.69/892,986.78
  6. Step 6: Final answer
    x = 392,873.68

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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.