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Finding the Fourth Proportional to 650,184.66, 897,435.15 and 378,305.07

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Solution

The fourth proportional to 650,184.66, 897,435.15 and 378,305.07 is: 522,165.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,184.66 : 897,435.15 = 378,305.07 : x
  2. Step 2: Convert to fraction form
    650,184.66/897,435.15 = 378,305.07/x
  3. Step 3: Cross multiply
    650,184.66x = 897,435.15 × 378,305.07
  4. Step 4: Simplify right side
    650,184.66x = 339,504,267,241.21
  5. Step 5: Solve for x
    x = 339,504,267,241.21/650,184.66
  6. Step 6: Final answer
    x = 522,165.91

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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.