Home / 802,646.20-1,203,969.30-329,087.80

Finding the Fourth Proportional to 802,646.20, 1,203,969.30 and 329,087.80

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Solution

The fourth proportional to 802,646.20, 1,203,969.30 and 329,087.80 is: 493,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,646.20 : 1,203,969.30 = 329,087.80 : x
  2. Step 2: Convert to fraction form
    802,646.20/1,203,969.30 = 329,087.80/x
  3. Step 3: Cross multiply
    802,646.20x = 1,203,969.30 × 329,087.80
  4. Step 4: Simplify right side
    802,646.20x = 396,211,608,204.54
  5. Step 5: Solve for x
    x = 396,211,608,204.54/802,646.20
  6. Step 6: Final answer
    x = 493,631.70

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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.