Home / 892,890.88-1,339,523.52-261,753.28

Finding the Fourth Proportional to 892,890.88, 1,339,523.52 and 261,753.28

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Solution

The fourth proportional to 892,890.88, 1,339,523.52 and 261,753.28 is: 392,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,890.88 : 1,339,523.52 = 261,753.28 : x
  2. Step 2: Convert to fraction form
    892,890.88/1,339,523.52 = 261,753.28/x
  3. Step 3: Cross multiply
    892,890.88x = 1,339,523.52 × 261,753.28
  4. Step 4: Simplify right side
    892,890.88x = 350,624,674,997.15
  5. Step 5: Solve for x
    x = 350,624,674,997.15/892,890.88
  6. Step 6: Final answer
    x = 392,684.80

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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.