Home / 694,660.04-1,041,990.78-221,345

Finding the Fourth Proportional to 694,660.04, 1,041,990.78 and 221,345

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Solution

The fourth proportional to 694,660.04, 1,041,990.78 and 221,345 is: 332,017.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,660.04 : 1,041,990.78 = 221,345 : x
  2. Step 2: Convert to fraction form
    694,660.04/1,041,990.78 = 221,345/x
  3. Step 3: Cross multiply
    694,660.04x = 1,041,990.78 × 221,345
  4. Step 4: Simplify right side
    694,660.04x = 230,639,449,199.10
  5. Step 5: Solve for x
    x = 230,639,449,199.10/694,660.04
  6. Step 6: Final answer
    x = 332,017.73

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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.