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Finding the Fourth Proportional to 494,313.80, 741,470.70 and 228,593.30

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Solution

The fourth proportional to 494,313.80, 741,470.70 and 228,593.30 is: 342,889.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,313.80 : 741,470.70 = 228,593.30 : x
  2. Step 2: Convert to fraction form
    494,313.80/741,470.70 = 228,593.30/x
  3. Step 3: Cross multiply
    494,313.80x = 741,470.70 × 228,593.30
  4. Step 4: Simplify right side
    494,313.80x = 169,495,234,166.31
  5. Step 5: Solve for x
    x = 169,495,234,166.31/494,313.80
  6. Step 6: Final answer
    x = 342,889.95

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Similar ratio
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1.5x scale

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.