Home / 419,962.05-629,543.93-267,731.78

Finding the Fourth Proportional to 419,962.05, 629,543.93 and 267,731.78

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Solution

The fourth proportional to 419,962.05, 629,543.93 and 267,731.78 is: 401,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,962.05 : 629,543.93 = 267,731.78 : x
  2. Step 2: Convert to fraction form
    419,962.05/629,543.93 = 267,731.78/x
  3. Step 3: Cross multiply
    419,962.05x = 629,543.93 × 267,731.78
  4. Step 4: Simplify right side
    419,962.05x = 168,548,912,480.72
  5. Step 5: Solve for x
    x = 168,548,912,480.72/419,962.05
  6. Step 6: Final answer
    x = 401,343.20

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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.