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Finding the Fourth Proportional to 629,448.73, 944,996.19 and 373,748.20

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Solution

The fourth proportional to 629,448.73, 944,996.19 and 373,748.20 is: 561,111.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,448.73 : 944,996.19 = 373,748.20 : x
  2. Step 2: Convert to fraction form
    629,448.73/944,996.19 = 373,748.20/x
  3. Step 3: Cross multiply
    629,448.73x = 944,996.19 × 373,748.20
  4. Step 4: Simplify right side
    629,448.73x = 353,190,625,019.36
  5. Step 5: Solve for x
    x = 353,190,625,019.36/629,448.73
  6. Step 6: Final answer
    x = 561,111.03

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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.