Home / 777,680.19-1,166,409.32-245,131.92

Finding the Fourth Proportional to 777,680.19, 1,166,409.32 and 245,131.92

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Solution

The fourth proportional to 777,680.19, 1,166,409.32 and 245,131.92 is: 367,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,680.19 : 1,166,409.32 = 245,131.92 : x
  2. Step 2: Convert to fraction form
    777,680.19/1,166,409.32 = 245,131.92/x
  3. Step 3: Cross multiply
    777,680.19x = 1,166,409.32 × 245,131.92
  4. Step 4: Simplify right side
    777,680.19x = 285,924,154,891.84
  5. Step 5: Solve for x
    x = 285,924,154,891.84/777,680.19
  6. Step 6: Final answer
    x = 367,662.90

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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.