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Finding the Fourth Proportional to 548,824.75, 757,359.12 and 303,820.15

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Solution

The fourth proportional to 548,824.75, 757,359.12 and 303,820.15 is: 419,261.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,824.75 : 757,359.12 = 303,820.15 : x
  2. Step 2: Convert to fraction form
    548,824.75/757,359.12 = 303,820.15/x
  3. Step 3: Cross multiply
    548,824.75x = 757,359.12 × 303,820.15
  4. Step 4: Simplify right side
    548,824.75x = 230,100,961,442.27
  5. Step 5: Solve for x
    x = 230,100,961,442.27/548,824.75
  6. Step 6: Final answer
    x = 419,261.27

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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.