Home / 777,179.79-1,165,926.84-327,901.77

Finding the Fourth Proportional to 777,179.79, 1,165,926.84 and 327,901.77

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Solution

The fourth proportional to 777,179.79, 1,165,926.84 and 327,901.77 is: 491,918.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,179.79 : 1,165,926.84 = 327,901.77 : x
  2. Step 2: Convert to fraction form
    777,179.79/1,165,926.84 = 327,901.77/x
  3. Step 3: Cross multiply
    777,179.79x = 1,165,926.84 × 327,901.77
  4. Step 4: Simplify right side
    777,179.79x = 382,309,474,526.51
  5. Step 5: Solve for x
    x = 382,309,474,526.51/777,179.79
  6. Step 6: Final answer
    x = 491,918.96

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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.