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Finding the Fourth Proportional to 544,478.67, 751,398.03 and 302,771.43

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Solution

The fourth proportional to 544,478.67, 751,398.03 and 302,771.43 is: 417,834.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,478.67 : 751,398.03 = 302,771.43 : x
  2. Step 2: Convert to fraction form
    544,478.67/751,398.03 = 302,771.43/x
  3. Step 3: Cross multiply
    544,478.67x = 751,398.03 × 302,771.43
  4. Step 4: Simplify right side
    544,478.67x = 227,501,856,042.28
  5. Step 5: Solve for x
    x = 227,501,856,042.28/544,478.67
  6. Step 6: Final answer
    x = 417,834.29

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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.