Home / 856,739.34-1,284,687.81-351,163.26

Finding the Fourth Proportional to 856,739.34, 1,284,687.81 and 351,163.26

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Solution

The fourth proportional to 856,739.34, 1,284,687.81 and 351,163.26 is: 526,572.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,739.34 : 1,284,687.81 = 351,163.26 : x
  2. Step 2: Convert to fraction form
    856,739.34/1,284,687.81 = 351,163.26/x
  3. Step 3: Cross multiply
    856,739.34x = 1,284,687.81 × 351,163.26
  4. Step 4: Simplify right side
    856,739.34x = 451,135,159,441.86
  5. Step 5: Solve for x
    x = 451,135,159,441.86/856,739.34
  6. Step 6: Final answer
    x = 526,572.25

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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.