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Finding the Fourth Proportional to 548,048.80, 820,906.80 and 454,736.80

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Solution

The fourth proportional to 548,048.80, 820,906.80 and 454,736.80 is: 681,137.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,048.80 : 820,906.80 = 454,736.80 : x
  2. Step 2: Convert to fraction form
    548,048.80/820,906.80 = 454,736.80/x
  3. Step 3: Cross multiply
    548,048.80x = 820,906.80 × 454,736.80
  4. Step 4: Simplify right side
    548,048.80x = 373,296,531,330.24
  5. Step 5: Solve for x
    x = 373,296,531,330.24/548,048.80
  6. Step 6: Final answer
    x = 681,137.39

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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.