Home / 994,715.20-1,491,914.40-329,867.20

Finding the Fourth Proportional to 994,715.20, 1,491,914.40 and 329,867.20

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Solution

The fourth proportional to 994,715.20, 1,491,914.40 and 329,867.20 is: 494,748.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,715.20 : 1,491,914.40 = 329,867.20 : x
  2. Step 2: Convert to fraction form
    994,715.20/1,491,914.40 = 329,867.20/x
  3. Step 3: Cross multiply
    994,715.20x = 1,491,914.40 × 329,867.20
  4. Step 4: Simplify right side
    994,715.20x = 492,133,625,767.68
  5. Step 5: Solve for x
    x = 492,133,625,767.68/994,715.20
  6. Step 6: Final answer
    x = 494,748.27

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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.