Home / 828,229.86-1,242,372.44-229,140.90

Finding the Fourth Proportional to 828,229.86, 1,242,372.44 and 229,140.90

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Solution

The fourth proportional to 828,229.86, 1,242,372.44 and 229,140.90 is: 343,719.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,229.86 : 1,242,372.44 = 229,140.90 : x
  2. Step 2: Convert to fraction form
    828,229.86/1,242,372.44 = 229,140.90/x
  3. Step 3: Cross multiply
    828,229.86x = 1,242,372.44 × 229,140.90
  4. Step 4: Simplify right side
    828,229.86x = 284,678,339,609.65
  5. Step 5: Solve for x
    x = 284,678,339,609.65/828,229.86
  6. Step 6: Final answer
    x = 343,719.00

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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.