Home / 419,824.44-629,734.32-104,281.20

Finding the Fourth Proportional to 419,824.44, 629,734.32 and 104,281.20

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Solution

The fourth proportional to 419,824.44, 629,734.32 and 104,281.20 is: 156,421.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,824.44 : 629,734.32 = 104,281.20 : x
  2. Step 2: Convert to fraction form
    419,824.44/629,734.32 = 104,281.20/x
  3. Step 3: Cross multiply
    419,824.44x = 629,734.32 × 104,281.20
  4. Step 4: Simplify right side
    419,824.44x = 65,669,450,570.78
  5. Step 5: Solve for x
    x = 65,669,450,570.78/419,824.44
  6. Step 6: Final answer
    x = 156,421.22

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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.