Home / 828,992.80-1,244,145.30-323,795.80

Finding the Fourth Proportional to 828,992.80, 1,244,145.30 and 323,795.80

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Solution

The fourth proportional to 828,992.80, 1,244,145.30 and 323,795.80 is: 485,949.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,992.80 : 1,244,145.30 = 323,795.80 : x
  2. Step 2: Convert to fraction form
    828,992.80/1,244,145.30 = 323,795.80/x
  3. Step 3: Cross multiply
    828,992.80x = 1,244,145.30 × 323,795.80
  4. Step 4: Simplify right side
    828,992.80x = 402,849,022,729.74
  5. Step 5: Solve for x
    x = 402,849,022,729.74/828,992.80
  6. Step 6: Final answer
    x = 485,949.97

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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.