Home / 719,074.25-1,078,576.34-269,760.11

Finding the Fourth Proportional to 719,074.25, 1,078,576.34 and 269,760.11

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Solution

The fourth proportional to 719,074.25, 1,078,576.34 and 269,760.11 is: 404,627.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,074.25 : 1,078,576.34 = 269,760.11 : x
  2. Step 2: Convert to fraction form
    719,074.25/1,078,576.34 = 269,760.11/x
  3. Step 3: Cross multiply
    719,074.25x = 1,078,576.34 × 269,760.11
  4. Step 4: Simplify right side
    719,074.25x = 290,956,872,121.80
  5. Step 5: Solve for x
    x = 290,956,872,121.80/719,074.25
  6. Step 6: Final answer
    x = 404,627.02

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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.