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Finding the Fourth Proportional to 629,858.70, 944,511.03 and 230,395.86

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Solution

The fourth proportional to 629,858.70, 944,511.03 and 230,395.86 is: 345,492.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,858.70 : 944,511.03 = 230,395.86 : x
  2. Step 2: Convert to fraction form
    629,858.70/944,511.03 = 230,395.86/x
  3. Step 3: Cross multiply
    629,858.70x = 944,511.03 × 230,395.86
  4. Step 4: Simplify right side
    629,858.70x = 217,611,431,036.34
  5. Step 5: Solve for x
    x = 217,611,431,036.34/629,858.70
  6. Step 6: Final answer
    x = 345,492.46

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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.