Home / 828,772.58-1,243,035.84-229,671.27

Finding the Fourth Proportional to 828,772.58, 1,243,035.84 and 229,671.27

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Solution

The fourth proportional to 828,772.58, 1,243,035.84 and 229,671.27 is: 344,472.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,772.58 : 1,243,035.84 = 229,671.27 : x
  2. Step 2: Convert to fraction form
    828,772.58/1,243,035.84 = 229,671.27/x
  3. Step 3: Cross multiply
    828,772.58x = 1,243,035.84 × 229,671.27
  4. Step 4: Simplify right side
    828,772.58x = 285,489,620,028.32
  5. Step 5: Solve for x
    x = 285,489,620,028.32/828,772.58
  6. Step 6: Final answer
    x = 344,472.81

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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.