Home / 677,803.43-1,015,556.96-449,939.90

Finding the Fourth Proportional to 677,803.43, 1,015,556.96 and 449,939.90

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Solution

The fourth proportional to 677,803.43, 1,015,556.96 and 449,939.90 is: 674,147.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,803.43 : 1,015,556.96 = 449,939.90 : x
  2. Step 2: Convert to fraction form
    677,803.43/1,015,556.96 = 449,939.90/x
  3. Step 3: Cross multiply
    677,803.43x = 1,015,556.96 × 449,939.90
  4. Step 4: Simplify right side
    677,803.43x = 456,939,589,699.22
  5. Step 5: Solve for x
    x = 456,939,589,699.22/677,803.43
  6. Step 6: Final answer
    x = 674,147.66

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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.