Home / 905,272.44-1,357,910.48-336,778.20

Finding the Fourth Proportional to 905,272.44, 1,357,910.48 and 336,778.20

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Solution

The fourth proportional to 905,272.44, 1,357,910.48 and 336,778.20 is: 505,167.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,272.44 : 1,357,910.48 = 336,778.20 : x
  2. Step 2: Convert to fraction form
    905,272.44/1,357,910.48 = 336,778.20/x
  3. Step 3: Cross multiply
    905,272.44x = 1,357,910.48 × 336,778.20
  4. Step 4: Simplify right side
    905,272.44x = 457,314,647,215.54
  5. Step 5: Solve for x
    x = 457,314,647,215.54/905,272.44
  6. Step 6: Final answer
    x = 505,167.98

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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.