Home / 802,290.80-1,204,116.60-329,315.60

Finding the Fourth Proportional to 802,290.80, 1,204,116.60 and 329,315.60

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Solution

The fourth proportional to 802,290.80, 1,204,116.60 and 329,315.60 is: 494,252.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,290.80 : 1,204,116.60 = 329,315.60 : x
  2. Step 2: Convert to fraction form
    802,290.80/1,204,116.60 = 329,315.60/x
  3. Step 3: Cross multiply
    802,290.80x = 1,204,116.60 × 329,315.60
  4. Step 4: Simplify right side
    802,290.80x = 396,534,380,598.96
  5. Step 5: Solve for x
    x = 396,534,380,598.96/802,290.80
  6. Step 6: Final answer
    x = 494,252.68

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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.