Home / 409,322.96-560,775.04-393,982.44

Finding the Fourth Proportional to 409,322.96, 560,775.04 and 393,982.44

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Solution

The fourth proportional to 409,322.96, 560,775.04 and 393,982.44 is: 539,758.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,322.96 : 560,775.04 = 393,982.44 : x
  2. Step 2: Convert to fraction form
    409,322.96/560,775.04 = 393,982.44/x
  3. Step 3: Cross multiply
    409,322.96x = 560,775.04 × 393,982.44
  4. Step 4: Simplify right side
    409,322.96x = 220,935,518,550.30
  5. Step 5: Solve for x
    x = 220,935,518,550.30/409,322.96
  6. Step 6: Final answer
    x = 539,758.43

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.