Home / 828,374.97-1,242,416.66-221,170.83

Finding the Fourth Proportional to 828,374.97, 1,242,416.66 and 221,170.83

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Solution

The fourth proportional to 828,374.97, 1,242,416.66 and 221,170.83 is: 331,717.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,374.97 : 1,242,416.66 = 221,170.83 : x
  2. Step 2: Convert to fraction form
    828,374.97/1,242,416.66 = 221,170.83/x
  3. Step 3: Cross multiply
    828,374.97x = 1,242,416.66 × 221,170.83
  4. Step 4: Simplify right side
    828,374.97x = 274,786,318,133.11
  5. Step 5: Solve for x
    x = 274,786,318,133.11/828,374.97
  6. Step 6: Final answer
    x = 331,717.31

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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.