Home / 856,716.00-1,285,064.77-351,164.29

Finding the Fourth Proportional to 856,716.00, 1,285,064.77 and 351,164.29

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Solution

The fourth proportional to 856,716.00, 1,285,064.77 and 351,164.29 is: 526,742.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,716.00 : 1,285,064.77 = 351,164.29 : x
  2. Step 2: Convert to fraction form
    856,716.00/1,285,064.77 = 351,164.29/x
  3. Step 3: Cross multiply
    856,716.00x = 1,285,064.77 × 351,164.29
  4. Step 4: Simplify right side
    856,716.00x = 451,268,860,932.76
  5. Step 5: Solve for x
    x = 451,268,860,932.76/856,716.00
  6. Step 6: Final answer
    x = 526,742.66

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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.