Home / 449,621.20-673,999.80-259,886.80

Finding the Fourth Proportional to 449,621.20, 673,999.80 and 259,886.80

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Solution

The fourth proportional to 449,621.20, 673,999.80 and 259,886.80 is: 389,580.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,621.20 : 673,999.80 = 259,886.80 : x
  2. Step 2: Convert to fraction form
    449,621.20/673,999.80 = 259,886.80/x
  3. Step 3: Cross multiply
    449,621.20x = 673,999.80 × 259,886.80
  4. Step 4: Simplify right side
    449,621.20x = 175,163,651,222.64
  5. Step 5: Solve for x
    x = 175,163,651,222.64/449,621.20
  6. Step 6: Final answer
    x = 389,580.50

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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.