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Finding the Fourth Proportional to 627,667.22, 866,221.01 and 352,050.95

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Solution

The fourth proportional to 627,667.22, 866,221.01 and 352,050.95 is: 485,852.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,667.22 : 866,221.01 = 352,050.95 : x
  2. Step 2: Convert to fraction form
    627,667.22/866,221.01 = 352,050.95/x
  3. Step 3: Cross multiply
    627,667.22x = 866,221.01 × 352,050.95
  4. Step 4: Simplify right side
    627,667.22x = 304,953,929,480.46
  5. Step 5: Solve for x
    x = 304,953,929,480.46/627,667.22
  6. Step 6: Final answer
    x = 485,852.88

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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.