Home / 928,739.22-1,393,110.30-254,829.75

Finding the Fourth Proportional to 928,739.22, 1,393,110.30 and 254,829.75

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Solution

The fourth proportional to 928,739.22, 1,393,110.30 and 254,829.75 is: 382,245.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,739.22 : 1,393,110.30 = 254,829.75 : x
  2. Step 2: Convert to fraction form
    928,739.22/1,393,110.30 = 254,829.75/x
  3. Step 3: Cross multiply
    928,739.22x = 1,393,110.30 × 254,829.75
  4. Step 4: Simplify right side
    928,739.22x = 355,005,949,471.43
  5. Step 5: Solve for x
    x = 355,005,949,471.43/928,739.22
  6. Step 6: Final answer
    x = 382,245.03

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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.