Home / 828,661.29-1,243,018.66-229,628.22

Finding the Fourth Proportional to 828,661.29, 1,243,018.66 and 229,628.22

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Solution

The fourth proportional to 828,661.29, 1,243,018.66 and 229,628.22 is: 344,449.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,661.29 : 1,243,018.66 = 229,628.22 : x
  2. Step 2: Convert to fraction form
    828,661.29/1,243,018.66 = 229,628.22/x
  3. Step 3: Cross multiply
    828,661.29x = 1,243,018.66 × 229,628.22
  4. Step 4: Simplify right side
    828,661.29x = 285,432,157,517.75
  5. Step 5: Solve for x
    x = 285,432,157,517.75/828,661.29
  6. Step 6: Final answer
    x = 344,449.73

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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.