Home / 828,234.90-1,242,379.94-229,145.90

Finding the Fourth Proportional to 828,234.90, 1,242,379.94 and 229,145.90

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Solution

The fourth proportional to 828,234.90, 1,242,379.94 and 229,145.90 is: 343,726.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,234.90 : 1,242,379.94 = 229,145.90 : x
  2. Step 2: Convert to fraction form
    828,234.90/1,242,379.94 = 229,145.90/x
  3. Step 3: Cross multiply
    828,234.90x = 1,242,379.94 × 229,145.90
  4. Step 4: Simplify right side
    828,234.90x = 284,686,262,135.62
  5. Step 5: Solve for x
    x = 284,686,262,135.62/828,234.90
  6. Step 6: Final answer
    x = 343,726.47

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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.