Home / 641,963.82-962,374.68-304,796.46

Finding the Fourth Proportional to 641,963.82, 962,374.68 and 304,796.46

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Solution

The fourth proportional to 641,963.82, 962,374.68 and 304,796.46 is: 456,923.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,963.82 : 962,374.68 = 304,796.46 : x
  2. Step 2: Convert to fraction form
    641,963.82/962,374.68 = 304,796.46/x
  3. Step 3: Cross multiply
    641,963.82x = 962,374.68 × 304,796.46
  4. Step 4: Simplify right side
    641,963.82x = 293,328,395,657.63
  5. Step 5: Solve for x
    x = 293,328,395,657.63/641,963.82
  6. Step 6: Final answer
    x = 456,923.56

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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.