Home / 802,684.80-1,204,610.40-329,709.60

Finding the Fourth Proportional to 802,684.80, 1,204,610.40 and 329,709.60

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Solution

The fourth proportional to 802,684.80, 1,204,610.40 and 329,709.60 is: 494,803.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,684.80 : 1,204,610.40 = 329,709.60 : x
  2. Step 2: Convert to fraction form
    802,684.80/1,204,610.40 = 329,709.60/x
  3. Step 3: Cross multiply
    802,684.80x = 1,204,610.40 × 329,709.60
  4. Step 4: Simplify right side
    802,684.80x = 397,171,613,139.84
  5. Step 5: Solve for x
    x = 397,171,613,139.84/802,684.80
  6. Step 6: Final answer
    x = 494,803.95

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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.