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Finding the Fourth Proportional to 629,950.86, 945,369.09 and 569,720.88

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Solution

The fourth proportional to 629,950.86, 945,369.09 and 569,720.88 is: 854,981.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,950.86 : 945,369.09 = 569,720.88 : x
  2. Step 2: Convert to fraction form
    629,950.86/945,369.09 = 569,720.88/x
  3. Step 3: Cross multiply
    629,950.86x = 945,369.09 × 569,720.88
  4. Step 4: Simplify right side
    629,950.86x = 538,596,509,879.60
  5. Step 5: Solve for x
    x = 538,596,509,879.60/629,950.86
  6. Step 6: Final answer
    x = 854,981.78

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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.