Home / 828,650.20-1,242,971.88-229,609.64

Finding the Fourth Proportional to 828,650.20, 1,242,971.88 and 229,609.64

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Solution

The fourth proportional to 828,650.20, 1,242,971.88 and 229,609.64 is: 344,413.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,650.20 : 1,242,971.88 = 229,609.64 : x
  2. Step 2: Convert to fraction form
    828,650.20/1,242,971.88 = 229,609.64/x
  3. Step 3: Cross multiply
    828,650.20x = 1,242,971.88 × 229,609.64
  4. Step 4: Simplify right side
    828,650.20x = 285,398,322,443.15
  5. Step 5: Solve for x
    x = 285,398,322,443.15/828,650.20
  6. Step 6: Final answer
    x = 344,413.51

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1.5x scale

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.