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Finding the Fourth Proportional to 629,408.70, 944,936.22 and 373,708.02

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Solution

The fourth proportional to 629,408.70, 944,936.22 and 373,708.02 is: 561,050.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,408.70 : 944,936.22 = 373,708.02 : x
  2. Step 2: Convert to fraction form
    629,408.70/944,936.22 = 373,708.02/x
  3. Step 3: Cross multiply
    629,408.70x = 944,936.22 × 373,708.02
  4. Step 4: Simplify right side
    629,408.70x = 353,130,243,802.48
  5. Step 5: Solve for x
    x = 353,130,243,802.48/629,408.70
  6. Step 6: Final answer
    x = 561,050.78

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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.