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Finding the Fourth Proportional to 702.01, 1,044.88 and 682.57

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Solution

The fourth proportional to 702.01, 1,044.88 and 682.57 is: 1,015.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    702.01 : 1,044.88 = 682.57 : x
  2. Step 2: Convert to fraction form
    702.01/1,044.88 = 682.57/x
  3. Step 3: Cross multiply
    702.01x = 1,044.88 × 682.57
  4. Step 4: Simplify right side
    702.01x = 713,203.74
  5. Step 5: Solve for x
    x = 713,203.74/702.01
  6. Step 6: Final answer
    x = 1,015.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.