Home / 787,099.05-1,180,685.45-254,661.75

Finding the Fourth Proportional to 787,099.05, 1,180,685.45 and 254,661.75

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Solution

The fourth proportional to 787,099.05, 1,180,685.45 and 254,661.75 is: 382,004.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,099.05 : 1,180,685.45 = 254,661.75 : x
  2. Step 2: Convert to fraction form
    787,099.05/1,180,685.45 = 254,661.75/x
  3. Step 3: Cross multiply
    787,099.05x = 1,180,685.45 × 254,661.75
  4. Step 4: Simplify right side
    787,099.05x = 300,675,422,896.54
  5. Step 5: Solve for x
    x = 300,675,422,896.54/787,099.05
  6. Step 6: Final answer
    x = 382,004.56

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1.5x scale

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.