Home / 828,242.88-1,242,391.92-229,153.92

Finding the Fourth Proportional to 828,242.88, 1,242,391.92 and 229,153.92

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Solution

The fourth proportional to 828,242.88, 1,242,391.92 and 229,153.92 is: 343,738.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,242.88 : 1,242,391.92 = 229,153.92 : x
  2. Step 2: Convert to fraction form
    828,242.88/1,242,391.92 = 229,153.92/x
  3. Step 3: Cross multiply
    828,242.88x = 1,242,391.92 × 229,153.92
  4. Step 4: Simplify right side
    828,242.88x = 284,698,978,644.33
  5. Step 5: Solve for x
    x = 284,698,978,644.33/828,242.88
  6. Step 6: Final answer
    x = 343,738.52

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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.