Home / 892,456.68-1,338,760.62-285,332.52

Finding the Fourth Proportional to 892,456.68, 1,338,760.62 and 285,332.52

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Solution

The fourth proportional to 892,456.68, 1,338,760.62 and 285,332.52 is: 428,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,456.68 : 1,338,760.62 = 285,332.52 : x
  2. Step 2: Convert to fraction form
    892,456.68/1,338,760.62 = 285,332.52/x
  3. Step 3: Cross multiply
    892,456.68x = 1,338,760.62 × 285,332.52
  4. Step 4: Simplify right side
    892,456.68x = 381,991,941,381.36
  5. Step 5: Solve for x
    x = 381,991,941,381.36/892,456.68
  6. Step 6: Final answer
    x = 428,022.95

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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.