Home / 494,095.80-741,489.30-213,814.20

Finding the Fourth Proportional to 494,095.80, 741,489.30 and 213,814.20

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Solution

The fourth proportional to 494,095.80, 741,489.30 and 213,814.20 is: 320,870.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,095.80 : 741,489.30 = 213,814.20 : x
  2. Step 2: Convert to fraction form
    494,095.80/741,489.30 = 213,814.20/x
  3. Step 3: Cross multiply
    494,095.80x = 741,489.30 × 213,814.20
  4. Step 4: Simplify right side
    494,095.80x = 158,540,941,488.06
  5. Step 5: Solve for x
    x = 158,540,941,488.06/494,095.80
  6. Step 6: Final answer
    x = 320,870.85

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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.