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Finding the Fourth Proportional to 703,162.94, 970,292.02 and 397,272.71

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Solution

The fourth proportional to 703,162.94, 970,292.02 and 397,272.71 is: 548,195.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,162.94 : 970,292.02 = 397,272.71 : x
  2. Step 2: Convert to fraction form
    703,162.94/970,292.02 = 397,272.71/x
  3. Step 3: Cross multiply
    703,162.94x = 970,292.02 × 397,272.71
  4. Step 4: Simplify right side
    703,162.94x = 385,470,544,798.71
  5. Step 5: Solve for x
    x = 385,470,544,798.71/703,162.94
  6. Step 6: Final answer
    x = 548,195.20

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Why These Related Problems?

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