Home / 777,161.86-1,165,848.88-271,605.54

Finding the Fourth Proportional to 777,161.86, 1,165,848.88 and 271,605.54

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Solution

The fourth proportional to 777,161.86, 1,165,848.88 and 271,605.54 is: 407,445.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,161.86 : 1,165,848.88 = 271,605.54 : x
  2. Step 2: Convert to fraction form
    777,161.86/1,165,848.88 = 271,605.54/x
  3. Step 3: Cross multiply
    777,161.86x = 1,165,848.88 × 271,605.54
  4. Step 4: Simplify right side
    777,161.86x = 316,651,014,610.80
  5. Step 5: Solve for x
    x = 316,651,014,610.80/777,161.86
  6. Step 6: Final answer
    x = 407,445.39

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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.