Home / 802,919.80-1,203,359.10-329,069.80

Finding the Fourth Proportional to 802,919.80, 1,203,359.10 and 329,069.80

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Solution

The fourth proportional to 802,919.80, 1,203,359.10 and 329,069.80 is: 493,186.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,919.80 : 1,203,359.10 = 329,069.80 : x
  2. Step 2: Convert to fraction form
    802,919.80/1,203,359.10 = 329,069.80/x
  3. Step 3: Cross multiply
    802,919.80x = 1,203,359.10 × 329,069.80
  4. Step 4: Simplify right side
    802,919.80x = 395,989,138,365.18
  5. Step 5: Solve for x
    x = 395,989,138,365.18/802,919.80
  6. Step 6: Final answer
    x = 493,186.42

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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.