Home / 994,277.80-1,491,665.10-320,422.60

Finding the Fourth Proportional to 994,277.80, 1,491,665.10 and 320,422.60

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Solution

The fourth proportional to 994,277.80, 1,491,665.10 and 320,422.60 is: 480,713.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,277.80 : 1,491,665.10 = 320,422.60 : x
  2. Step 2: Convert to fraction form
    994,277.80/1,491,665.10 = 320,422.60/x
  3. Step 3: Cross multiply
    994,277.80x = 1,491,665.10 × 320,422.60
  4. Step 4: Simplify right side
    994,277.80x = 477,963,209,671.26
  5. Step 5: Solve for x
    x = 477,963,209,671.26/994,277.80
  6. Step 6: Final answer
    x = 480,713.95

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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.