Home / 961,957.94-1,443,133.71-330,789.78

Finding the Fourth Proportional to 961,957.94, 1,443,133.71 and 330,789.78

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Solution

The fourth proportional to 961,957.94, 1,443,133.71 and 330,789.78 is: 496,252.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,957.94 : 1,443,133.71 = 330,789.78 : x
  2. Step 2: Convert to fraction form
    961,957.94/1,443,133.71 = 330,789.78/x
  3. Step 3: Cross multiply
    961,957.94x = 1,443,133.71 × 330,789.78
  4. Step 4: Simplify right side
    961,957.94x = 477,373,882,441.48
  5. Step 5: Solve for x
    x = 477,373,882,441.48/961,957.94
  6. Step 6: Final answer
    x = 496,252.34

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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.