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Finding the Fourth Proportional to 466,015.21, 698,711.42 and 376,168.48

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Solution

The fourth proportional to 466,015.21, 698,711.42 and 376,168.48 is: 564,001.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,015.21 : 698,711.42 = 376,168.48 : x
  2. Step 2: Convert to fraction form
    466,015.21/698,711.42 = 376,168.48/x
  3. Step 3: Cross multiply
    466,015.21x = 698,711.42 × 376,168.48
  4. Step 4: Simplify right side
    466,015.21x = 262,833,212,013.68
  5. Step 5: Solve for x
    x = 262,833,212,013.68/466,015.21
  6. Step 6: Final answer
    x = 564,001.36

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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.