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Finding the Fourth Proportional to 545,074.52, 752,202.83 and 303,414.17

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Solution

The fourth proportional to 545,074.52, 752,202.83 and 303,414.17 is: 418,711.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,074.52 : 752,202.83 = 303,414.17 : x
  2. Step 2: Convert to fraction form
    545,074.52/752,202.83 = 303,414.17/x
  3. Step 3: Cross multiply
    545,074.52x = 752,202.83 × 303,414.17
  4. Step 4: Simplify right side
    545,074.52x = 228,228,992,058.02
  5. Step 5: Solve for x
    x = 228,228,992,058.02/545,074.52
  6. Step 6: Final answer
    x = 418,711.54

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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.