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Finding the Fourth Proportional to 603,982.80, 906,083.55 and 303,707.70

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Solution

The fourth proportional to 603,982.80, 906,083.55 and 303,707.70 is: 455,616.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,982.80 : 906,083.55 = 303,707.70 : x
  2. Step 2: Convert to fraction form
    603,982.80/906,083.55 = 303,707.70/x
  3. Step 3: Cross multiply
    603,982.80x = 906,083.55 × 303,707.70
  4. Step 4: Simplify right side
    603,982.80x = 275,184,550,978.34
  5. Step 5: Solve for x
    x = 275,184,550,978.34/603,982.80
  6. Step 6: Final answer
    x = 455,616.54

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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.