Home / 730,891.08-1,096,185.96-281,457.72

Finding the Fourth Proportional to 730,891.08, 1,096,185.96 and 281,457.72

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Solution

The fourth proportional to 730,891.08, 1,096,185.96 and 281,457.72 is: 422,128.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,891.08 : 1,096,185.96 = 281,457.72 : x
  2. Step 2: Convert to fraction form
    730,891.08/1,096,185.96 = 281,457.72/x
  3. Step 3: Cross multiply
    730,891.08x = 1,096,185.96 × 281,457.72
  4. Step 4: Simplify right side
    730,891.08x = 308,530,000,997.61
  5. Step 5: Solve for x
    x = 308,530,000,997.61/730,891.08
  6. Step 6: Final answer
    x = 422,128.56

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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.