Home / 802,298.80-1,204,031.40-329,323.60

Finding the Fourth Proportional to 802,298.80, 1,204,031.40 and 329,323.60

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Solution

The fourth proportional to 802,298.80, 1,204,031.40 and 329,323.60 is: 494,224.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,298.80 : 1,204,031.40 = 329,323.60 : x
  2. Step 2: Convert to fraction form
    802,298.80/1,204,031.40 = 329,323.60/x
  3. Step 3: Cross multiply
    802,298.80x = 1,204,031.40 × 329,323.60
  4. Step 4: Simplify right side
    802,298.80x = 396,515,955,161.04
  5. Step 5: Solve for x
    x = 396,515,955,161.04/802,298.80
  6. Step 6: Final answer
    x = 494,224.79

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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.