Home / 777,206.76-1,165,967.28-327,928.56

Finding the Fourth Proportional to 777,206.76, 1,165,967.28 and 327,928.56

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Solution

The fourth proportional to 777,206.76, 1,165,967.28 and 327,928.56 is: 491,959.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,206.76 : 1,165,967.28 = 327,928.56 : x
  2. Step 2: Convert to fraction form
    777,206.76/1,165,967.28 = 327,928.56/x
  3. Step 3: Cross multiply
    777,206.76x = 1,165,967.28 × 327,928.56
  4. Step 4: Simplify right side
    777,206.76x = 382,353,971,137.52
  5. Step 5: Solve for x
    x = 382,353,971,137.52/777,206.76
  6. Step 6: Final answer
    x = 491,959.14

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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.