Home / 777,163.86-1,165,851.88-271,607.54

Finding the Fourth Proportional to 777,163.86, 1,165,851.88 and 271,607.54

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Solution

The fourth proportional to 777,163.86, 1,165,851.88 and 271,607.54 is: 407,448.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,163.86 : 1,165,851.88 = 271,607.54 : x
  2. Step 2: Convert to fraction form
    777,163.86/1,165,851.88 = 271,607.54/x
  3. Step 3: Cross multiply
    777,163.86x = 1,165,851.88 × 271,607.54
  4. Step 4: Simplify right side
    777,163.86x = 316,654,161,131.18
  5. Step 5: Solve for x
    x = 316,654,161,131.18/777,163.86
  6. Step 6: Final answer
    x = 407,448.39

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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.