Home / 534,579.81-737,755.41-305,183.57

Finding the Fourth Proportional to 534,579.81, 737,755.41 and 305,183.57

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Solution

The fourth proportional to 534,579.81, 737,755.41 and 305,183.57 is: 421,173.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,579.81 : 737,755.41 = 305,183.57 : x
  2. Step 2: Convert to fraction form
    534,579.81/737,755.41 = 305,183.57/x
  3. Step 3: Cross multiply
    534,579.81x = 737,755.41 × 305,183.57
  4. Step 4: Simplify right side
    534,579.81x = 225,150,826,121.84
  5. Step 5: Solve for x
    x = 225,150,826,121.84/534,579.81
  6. Step 6: Final answer
    x = 421,173.46

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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.