Home / 545,183.20-752,352.72-303,460.56

Finding the Fourth Proportional to 545,183.20, 752,352.72 and 303,460.56

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Solution

The fourth proportional to 545,183.20, 752,352.72 and 303,460.56 is: 418,775.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,183.20 : 752,352.72 = 303,460.56 : x
  2. Step 2: Convert to fraction form
    545,183.20/752,352.72 = 303,460.56/x
  3. Step 3: Cross multiply
    545,183.20x = 752,352.72 × 303,460.56
  4. Step 4: Simplify right side
    545,183.20x = 228,309,377,728.72
  5. Step 5: Solve for x
    x = 228,309,377,728.72/545,183.20
  6. Step 6: Final answer
    x = 418,775.52

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1.5x scale

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.