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Finding the Fourth Proportional to 494,148.80, 741,914.40 and 307,524.80

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Solution

The fourth proportional to 494,148.80, 741,914.40 and 307,524.80 is: 461,717.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,148.80 : 741,914.40 = 307,524.80 : x
  2. Step 2: Convert to fraction form
    494,148.80/741,914.40 = 307,524.80/x
  3. Step 3: Cross multiply
    494,148.80x = 741,914.40 × 307,524.80
  4. Step 4: Simplify right side
    494,148.80x = 228,157,077,477.12
  5. Step 5: Solve for x
    x = 228,157,077,477.12/494,148.80
  6. Step 6: Final answer
    x = 461,717.36

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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.