Home / 715,197.52-1,072,797.90-266,016.88

Finding the Fourth Proportional to 715,197.52, 1,072,797.90 and 266,016.88

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Solution

The fourth proportional to 715,197.52, 1,072,797.90 and 266,016.88 is: 399,025.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,197.52 : 1,072,797.90 = 266,016.88 : x
  2. Step 2: Convert to fraction form
    715,197.52/1,072,797.90 = 266,016.88/x
  3. Step 3: Cross multiply
    715,197.52x = 1,072,797.90 × 266,016.88
  4. Step 4: Simplify right side
    715,197.52x = 285,382,350,228.55
  5. Step 5: Solve for x
    x = 285,382,350,228.55/715,197.52
  6. Step 6: Final answer
    x = 399,025.92

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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.