Home / 629,942.30-944,913.45-377,999.90

Finding the Fourth Proportional to 629,942.30, 944,913.45 and 377,999.90

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Solution

The fourth proportional to 629,942.30, 944,913.45 and 377,999.90 is: 566,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,942.30 : 944,913.45 = 377,999.90 : x
  2. Step 2: Convert to fraction form
    629,942.30/944,913.45 = 377,999.90/x
  3. Step 3: Cross multiply
    629,942.30x = 944,913.45 × 377,999.90
  4. Step 4: Simplify right side
    629,942.30x = 357,177,189,608.66
  5. Step 5: Solve for x
    x = 357,177,189,608.66/629,942.30
  6. Step 6: Final answer
    x = 566,999.85

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1.5x scale

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.