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Finding the Fourth Proportional to 603,968.49, 905,288.45 and 248,788.80

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Solution

The fourth proportional to 603,968.49, 905,288.45 and 248,788.80 is: 372,909.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,968.49 : 905,288.45 = 248,788.80 : x
  2. Step 2: Convert to fraction form
    603,968.49/905,288.45 = 248,788.80/x
  3. Step 3: Cross multiply
    603,968.49x = 905,288.45 × 248,788.80
  4. Step 4: Simplify right side
    603,968.49x = 225,225,625,885.42
  5. Step 5: Solve for x
    x = 225,225,625,885.42/603,968.49
  6. Step 6: Final answer
    x = 372,909.56

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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.