Home / 671,850.56-1,007,769.56-272,396.40

Finding the Fourth Proportional to 671,850.56, 1,007,769.56 and 272,396.40

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Solution

The fourth proportional to 671,850.56, 1,007,769.56 and 272,396.40 is: 408,592.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,850.56 : 1,007,769.56 = 272,396.40 : x
  2. Step 2: Convert to fraction form
    671,850.56/1,007,769.56 = 272,396.40/x
  3. Step 3: Cross multiply
    671,850.56x = 1,007,769.56 × 272,396.40
  4. Step 4: Simplify right side
    671,850.56x = 274,512,800,173.58
  5. Step 5: Solve for x
    x = 274,512,800,173.58/671,850.56
  6. Step 6: Final answer
    x = 408,592.05

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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.