Home / 715,311.82-1,072,801.27-266,244.17

Finding the Fourth Proportional to 715,311.82, 1,072,801.27 and 266,244.17

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Solution

The fourth proportional to 715,311.82, 1,072,801.27 and 266,244.17 is: 399,304.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,311.82 : 1,072,801.27 = 266,244.17 : x
  2. Step 2: Convert to fraction form
    715,311.82/1,072,801.27 = 266,244.17/x
  3. Step 3: Cross multiply
    715,311.82x = 1,072,801.27 × 266,244.17
  4. Step 4: Simplify right side
    715,311.82x = 285,627,083,706.10
  5. Step 5: Solve for x
    x = 285,627,083,706.10/715,311.82
  6. Step 6: Final answer
    x = 399,304.30

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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.