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Finding the Fourth Proportional to 627,867.04, 866,450 and 467,439.52

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Solution

The fourth proportional to 627,867.04, 866,450 and 467,439.52 is: 645,061.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,867.04 : 866,450 = 467,439.52 : x
  2. Step 2: Convert to fraction form
    627,867.04/866,450 = 467,439.52/x
  3. Step 3: Cross multiply
    627,867.04x = 866,450 × 467,439.52
  4. Step 4: Simplify right side
    627,867.04x = 405,012,972,104
  5. Step 5: Solve for x
    x = 405,012,972,104/627,867.04
  6. Step 6: Final answer
    x = 645,061.69

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1.5x scale

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.