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Finding the Fourth Proportional to 608,086.53, 839,158.92 and 366,379.29

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Solution

The fourth proportional to 608,086.53, 839,158.92 and 366,379.29 is: 505,603.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,086.53 : 839,158.92 = 366,379.29 : x
  2. Step 2: Convert to fraction form
    608,086.53/839,158.92 = 366,379.29/x
  3. Step 3: Cross multiply
    608,086.53x = 839,158.92 × 366,379.29
  4. Step 4: Simplify right side
    608,086.53x = 307,450,449,306.77
  5. Step 5: Solve for x
    x = 307,450,449,306.77/608,086.53
  6. Step 6: Final answer
    x = 505,603.12

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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.