Home / 825,737.94-1,238,309.69-285,847.56

Finding the Fourth Proportional to 825,737.94, 1,238,309.69 and 285,847.56

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Solution

The fourth proportional to 825,737.94, 1,238,309.69 and 285,847.56 is: 428,668.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,737.94 : 1,238,309.69 = 285,847.56 : x
  2. Step 2: Convert to fraction form
    825,737.94/1,238,309.69 = 285,847.56/x
  3. Step 3: Cross multiply
    825,737.94x = 1,238,309.69 × 285,847.56
  4. Step 4: Simplify right side
    825,737.94x = 353,967,801,981.62
  5. Step 5: Solve for x
    x = 353,967,801,981.62/825,737.94
  6. Step 6: Final answer
    x = 428,668.45

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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.