Home / 911,099.28-1,366,190.12-303,672.44

Finding the Fourth Proportional to 911,099.28, 1,366,190.12 and 303,672.44

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Solution

The fourth proportional to 911,099.28, 1,366,190.12 and 303,672.44 is: 455,355.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,099.28 : 1,366,190.12 = 303,672.44 : x
  2. Step 2: Convert to fraction form
    911,099.28/1,366,190.12 = 303,672.44/x
  3. Step 3: Cross multiply
    911,099.28x = 1,366,190.12 × 303,672.44
  4. Step 4: Simplify right side
    911,099.28x = 414,874,287,244.29
  5. Step 5: Solve for x
    x = 414,874,287,244.29/911,099.28
  6. Step 6: Final answer
    x = 455,355.74

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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.