Home / 828,336.27-1,242,365.99-229,357.97

Finding the Fourth Proportional to 828,336.27, 1,242,365.99 and 229,357.97

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Solution

The fourth proportional to 828,336.27, 1,242,365.99 and 229,357.97 is: 343,998.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,336.27 : 1,242,365.99 = 229,357.97 : x
  2. Step 2: Convert to fraction form
    828,336.27/1,242,365.99 = 229,357.97/x
  3. Step 3: Cross multiply
    828,336.27x = 1,242,365.99 × 229,357.97
  4. Step 4: Simplify right side
    828,336.27x = 284,946,545,142.75
  5. Step 5: Solve for x
    x = 284,946,545,142.75/828,336.27
  6. Step 6: Final answer
    x = 343,998.63

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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.