Home / 828,978.72-1,243,467.96-229,939.92

Finding the Fourth Proportional to 828,978.72, 1,243,467.96 and 229,939.92

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Solution

The fourth proportional to 828,978.72, 1,243,467.96 and 229,939.92 is: 344,909.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,978.72 : 1,243,467.96 = 229,939.92 : x
  2. Step 2: Convert to fraction form
    828,978.72/1,243,467.96 = 229,939.92/x
  3. Step 3: Cross multiply
    828,978.72x = 1,243,467.96 × 229,939.92
  4. Step 4: Simplify right side
    828,978.72x = 285,922,923,244.96
  5. Step 5: Solve for x
    x = 285,922,923,244.96/828,978.72
  6. Step 6: Final answer
    x = 344,909.85

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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.