Home / 773,485.20-1,159,949.64-267,909.96

Finding the Fourth Proportional to 773,485.20, 1,159,949.64 and 267,909.96

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Solution

The fourth proportional to 773,485.20, 1,159,949.64 and 267,909.96 is: 401,768.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,485.20 : 1,159,949.64 = 267,909.96 : x
  2. Step 2: Convert to fraction form
    773,485.20/1,159,949.64 = 267,909.96/x
  3. Step 3: Cross multiply
    773,485.20x = 1,159,949.64 × 267,909.96
  4. Step 4: Simplify right side
    773,485.20x = 310,762,061,654.41
  5. Step 5: Solve for x
    x = 310,762,061,654.41/773,485.20
  6. Step 6: Final answer
    x = 401,768.59

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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.