Home / 729,040.10-1,093,232.10-279,611.60

Finding the Fourth Proportional to 729,040.10, 1,093,232.10 and 279,611.60

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Solution

The fourth proportional to 729,040.10, 1,093,232.10 and 279,611.60 is: 419,291.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,040.10 : 1,093,232.10 = 279,611.60 : x
  2. Step 2: Convert to fraction form
    729,040.10/1,093,232.10 = 279,611.60/x
  3. Step 3: Cross multiply
    729,040.10x = 1,093,232.10 × 279,611.60
  4. Step 4: Simplify right side
    729,040.10x = 305,680,376,652.36
  5. Step 5: Solve for x
    x = 305,680,376,652.36/729,040.10
  6. Step 6: Final answer
    x = 419,291.58

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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.