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Finding the Fourth Proportional to 703,102.49, 970,360.30 and 397,198.58

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Solution

The fourth proportional to 703,102.49, 970,360.30 and 397,198.58 is: 548,178.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,102.49 : 970,360.30 = 397,198.58 : x
  2. Step 2: Convert to fraction form
    703,102.49/970,360.30 = 397,198.58/x
  3. Step 3: Cross multiply
    703,102.49x = 970,360.30 × 397,198.58
  4. Step 4: Simplify right side
    703,102.49x = 385,425,726,410.58
  5. Step 5: Solve for x
    x = 385,425,726,410.58/703,102.49
  6. Step 6: Final answer
    x = 548,178.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.