Home / 629,721.21-944,115.26-380,344.89

Finding the Fourth Proportional to 629,721.21, 944,115.26 and 380,344.89

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Solution

The fourth proportional to 629,721.21, 944,115.26 and 380,344.89 is: 570,235.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,721.21 : 944,115.26 = 380,344.89 : x
  2. Step 2: Convert to fraction form
    629,721.21/944,115.26 = 380,344.89/x
  3. Step 3: Cross multiply
    629,721.21x = 944,115.26 × 380,344.89
  4. Step 4: Simplify right side
    629,721.21x = 359,089,412,810.30
  5. Step 5: Solve for x
    x = 359,089,412,810.30/629,721.21
  6. Step 6: Final answer
    x = 570,235.54

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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.