Home / 828,942.30-1,244,069.55-323,745.30

Finding the Fourth Proportional to 828,942.30, 1,244,069.55 and 323,745.30

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Solution

The fourth proportional to 828,942.30, 1,244,069.55 and 323,745.30 is: 485,874.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,942.30 : 1,244,069.55 = 323,745.30 : x
  2. Step 2: Convert to fraction form
    828,942.30/1,244,069.55 = 323,745.30/x
  3. Step 3: Cross multiply
    828,942.30x = 1,244,069.55 × 323,745.30
  4. Step 4: Simplify right side
    828,942.30x = 402,761,669,685.62
  5. Step 5: Solve for x
    x = 402,761,669,685.62/828,942.30
  6. Step 6: Final answer
    x = 485,874.19

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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.