Home / 810,322.86-1,118,241.27-447,771.72

Finding the Fourth Proportional to 810,322.86, 1,118,241.27 and 447,771.72

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Solution

The fourth proportional to 810,322.86, 1,118,241.27 and 447,771.72 is: 617,922.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,322.86 : 1,118,241.27 = 447,771.72 : x
  2. Step 2: Convert to fraction form
    810,322.86/1,118,241.27 = 447,771.72/x
  3. Step 3: Cross multiply
    810,322.86x = 1,118,241.27 × 447,771.72
  4. Step 4: Simplify right side
    810,322.86x = 500,716,816,842.88
  5. Step 5: Solve for x
    x = 500,716,816,842.88/810,322.86
  6. Step 6: Final answer
    x = 617,922.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.