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Finding the Fourth Proportional to 629,658.80, 944,603.40 and 255,719.60

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Solution

The fourth proportional to 629,658.80, 944,603.40 and 255,719.60 is: 383,626.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,658.80 : 944,603.40 = 255,719.60 : x
  2. Step 2: Convert to fraction form
    629,658.80/944,603.40 = 255,719.60/x
  3. Step 3: Cross multiply
    629,658.80x = 944,603.40 × 255,719.60
  4. Step 4: Simplify right side
    629,658.80x = 241,553,603,606.64
  5. Step 5: Solve for x
    x = 241,553,603,606.64/629,658.80
  6. Step 6: Final answer
    x = 383,626.19

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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.