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Finding the Fourth Proportional to 494,598.20, 741,678.60 and 228,221.60

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Solution

The fourth proportional to 494,598.20, 741,678.60 and 228,221.60 is: 342,231.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,598.20 : 741,678.60 = 228,221.60 : x
  2. Step 2: Convert to fraction form
    494,598.20/741,678.60 = 228,221.60/x
  3. Step 3: Cross multiply
    494,598.20x = 741,678.60 × 228,221.60
  4. Step 4: Simplify right side
    494,598.20x = 169,267,076,777.76
  5. Step 5: Solve for x
    x = 169,267,076,777.76/494,598.20
  6. Step 6: Final answer
    x = 342,231.49

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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.