Home / 828,226.88-1,242,367.94-229,137.87

Finding the Fourth Proportional to 828,226.88, 1,242,367.94 and 229,137.87

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Solution

The fourth proportional to 828,226.88, 1,242,367.94 and 229,137.87 is: 343,714.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,226.88 : 1,242,367.94 = 229,137.87 : x
  2. Step 2: Convert to fraction form
    828,226.88/1,242,367.94 = 229,137.87/x
  3. Step 3: Cross multiply
    828,226.88x = 1,242,367.94 × 229,137.87
  4. Step 4: Simplify right side
    828,226.88x = 284,673,543,527.89
  5. Step 5: Solve for x
    x = 284,673,543,527.89/828,226.88
  6. Step 6: Final answer
    x = 343,714.45

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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.