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Finding the Fourth Proportional to 603,382.68, 905,060.01 and 303,782.82

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Solution

The fourth proportional to 603,382.68, 905,060.01 and 303,782.82 is: 455,667.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,382.68 : 905,060.01 = 303,782.82 : x
  2. Step 2: Convert to fraction form
    603,382.68/905,060.01 = 303,782.82/x
  3. Step 3: Cross multiply
    603,382.68x = 905,060.01 × 303,782.82
  4. Step 4: Simplify right side
    603,382.68x = 274,941,682,107.03
  5. Step 5: Solve for x
    x = 274,941,682,107.03/603,382.68
  6. Step 6: Final answer
    x = 455,667.18

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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.