Home / 412,826.20-618,656.10-254,584.60

Finding the Fourth Proportional to 412,826.20, 618,656.10 and 254,584.60

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Solution

The fourth proportional to 412,826.20, 618,656.10 and 254,584.60 is: 381,517.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,826.20 : 618,656.10 = 254,584.60 : x
  2. Step 2: Convert to fraction form
    412,826.20/618,656.10 = 254,584.60/x
  3. Step 3: Cross multiply
    412,826.20x = 618,656.10 × 254,584.60
  4. Step 4: Simplify right side
    412,826.20x = 157,500,315,756.06
  5. Step 5: Solve for x
    x = 157,500,315,756.06/412,826.20
  6. Step 6: Final answer
    x = 381,517.25

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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.