Home / 961,959.94-1,443,136.72-330,791.78

Finding the Fourth Proportional to 961,959.94, 1,443,136.72 and 330,791.78

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Solution

The fourth proportional to 961,959.94, 1,443,136.72 and 330,791.78 is: 496,255.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,959.94 : 1,443,136.72 = 330,791.78 : x
  2. Step 2: Convert to fraction form
    961,959.94/1,443,136.72 = 330,791.78/x
  3. Step 3: Cross multiply
    961,959.94x = 1,443,136.72 × 330,791.78
  4. Step 4: Simplify right side
    961,959.94x = 477,377,764,392.16
  5. Step 5: Solve for x
    x = 477,377,764,392.16/961,959.94
  6. Step 6: Final answer
    x = 496,255.35

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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.