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Finding the Fourth Proportional to 696,954.12, 962,134.66 and 467,427.48

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Solution

The fourth proportional to 696,954.12, 962,134.66 and 467,427.48 is: 645,276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,954.12 : 962,134.66 = 467,427.48 : x
  2. Step 2: Convert to fraction form
    696,954.12/962,134.66 = 467,427.48/x
  3. Step 3: Cross multiply
    696,954.12x = 962,134.66 × 467,427.48
  4. Step 4: Simplify right side
    696,954.12x = 449,728,179,544.46
  5. Step 5: Solve for x
    x = 449,728,179,544.46/696,954.12
  6. Step 6: Final answer
    x = 645,276.59

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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.