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Finding the Fourth Proportional to 662,912.56, 914,787.84 and 376,395.04

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Solution

The fourth proportional to 662,912.56, 914,787.84 and 376,395.04 is: 519,407.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,912.56 : 914,787.84 = 376,395.04 : x
  2. Step 2: Convert to fraction form
    662,912.56/914,787.84 = 376,395.04/x
  3. Step 3: Cross multiply
    662,912.56x = 914,787.84 × 376,395.04
  4. Step 4: Simplify right side
    662,912.56x = 344,321,605,628.31
  5. Step 5: Solve for x
    x = 344,321,605,628.31/662,912.56
  6. Step 6: Final answer
    x = 519,407.27

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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.