Home / 994,645.20-1,491,809.40-329,797.20

Finding the Fourth Proportional to 994,645.20, 1,491,809.40 and 329,797.20

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Solution

The fourth proportional to 994,645.20, 1,491,809.40 and 329,797.20 is: 494,643.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,645.20 : 1,491,809.40 = 329,797.20 : x
  2. Step 2: Convert to fraction form
    994,645.20/1,491,809.40 = 329,797.20/x
  3. Step 3: Cross multiply
    994,645.20x = 1,491,809.40 × 329,797.20
  4. Step 4: Simplify right side
    994,645.20x = 491,994,563,053.68
  5. Step 5: Solve for x
    x = 491,994,563,053.68/994,645.20
  6. Step 6: Final answer
    x = 494,643.28

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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.