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Finding the Fourth Proportional to 554,951.75, 765,834.10 and 300,302.94

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Solution

The fourth proportional to 554,951.75, 765,834.10 and 300,302.94 is: 414,418.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,951.75 : 765,834.10 = 300,302.94 : x
  2. Step 2: Convert to fraction form
    554,951.75/765,834.10 = 300,302.94/x
  3. Step 3: Cross multiply
    554,951.75x = 765,834.10 × 300,302.94
  4. Step 4: Simplify right side
    554,951.75x = 229,982,231,782.25
  5. Step 5: Solve for x
    x = 229,982,231,782.25/554,951.75
  6. Step 6: Final answer
    x = 414,418.43

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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.