Home / 802,096.80-1,203,145.20-329,121.60

Finding the Fourth Proportional to 802,096.80, 1,203,145.20 and 329,121.60

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Solution

The fourth proportional to 802,096.80, 1,203,145.20 and 329,121.60 is: 493,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,096.80 : 1,203,145.20 = 329,121.60 : x
  2. Step 2: Convert to fraction form
    802,096.80/1,203,145.20 = 329,121.60/x
  3. Step 3: Cross multiply
    802,096.80x = 1,203,145.20 × 329,121.60
  4. Step 4: Simplify right side
    802,096.80x = 395,981,073,256.32
  5. Step 5: Solve for x
    x = 395,981,073,256.32/802,096.80
  6. Step 6: Final answer
    x = 493,682.40

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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.