Home / 994,759.20-1,492,138.80-329,911.20

Finding the Fourth Proportional to 994,759.20, 1,492,138.80 and 329,911.20

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Solution

The fourth proportional to 994,759.20, 1,492,138.80 and 329,911.20 is: 494,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,759.20 : 1,492,138.80 = 329,911.20 : x
  2. Step 2: Convert to fraction form
    994,759.20/1,492,138.80 = 329,911.20/x
  3. Step 3: Cross multiply
    994,759.20x = 1,492,138.80 × 329,911.20
  4. Step 4: Simplify right side
    994,759.20x = 492,273,302,074.56
  5. Step 5: Solve for x
    x = 492,273,302,074.56/994,759.20
  6. Step 6: Final answer
    x = 494,866.80

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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.