Home / 857,731.20-1,286,596.80-226,708.80

Finding the Fourth Proportional to 857,731.20, 1,286,596.80 and 226,708.80

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Solution

The fourth proportional to 857,731.20, 1,286,596.80 and 226,708.80 is: 340,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,731.20 : 1,286,596.80 = 226,708.80 : x
  2. Step 2: Convert to fraction form
    857,731.20/1,286,596.80 = 226,708.80/x
  3. Step 3: Cross multiply
    857,731.20x = 1,286,596.80 × 226,708.80
  4. Step 4: Simplify right side
    857,731.20x = 291,682,816,611.84
  5. Step 5: Solve for x
    x = 291,682,816,611.84/857,731.20
  6. Step 6: Final answer
    x = 340,063.20

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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.