Home / 961,891.38-1,443,033.90-330,723.18

Finding the Fourth Proportional to 961,891.38, 1,443,033.90 and 330,723.18

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Solution

The fourth proportional to 961,891.38, 1,443,033.90 and 330,723.18 is: 496,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,891.38 : 1,443,033.90 = 330,723.18 : x
  2. Step 2: Convert to fraction form
    961,891.38/1,443,033.90 = 330,723.18/x
  3. Step 3: Cross multiply
    961,891.38x = 1,443,033.90 × 330,723.18
  4. Step 4: Simplify right side
    961,891.38x = 477,244,760,255.80
  5. Step 5: Solve for x
    x = 477,244,760,255.80/961,891.38
  6. Step 6: Final answer
    x = 496,152.45

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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.