Home / 827,530.60-1,241,910.30-329,252.20

Finding the Fourth Proportional to 827,530.60, 1,241,910.30 and 329,252.20

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Solution

The fourth proportional to 827,530.60, 1,241,910.30 and 329,252.20 is: 494,122.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,530.60 : 1,241,910.30 = 329,252.20 : x
  2. Step 2: Convert to fraction form
    827,530.60/1,241,910.30 = 329,252.20/x
  3. Step 3: Cross multiply
    827,530.60x = 1,241,910.30 × 329,252.20
  4. Step 4: Simplify right side
    827,530.60x = 408,901,698,477.66
  5. Step 5: Solve for x
    x = 408,901,698,477.66/827,530.60
  6. Step 6: Final answer
    x = 494,122.75

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1.5x scale

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.