Home / 777,372.19-1,166,219.57-328,096.78

Finding the Fourth Proportional to 777,372.19, 1,166,219.57 and 328,096.78

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Solution

The fourth proportional to 777,372.19, 1,166,219.57 and 328,096.78 is: 492,213.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,372.19 : 1,166,219.57 = 328,096.78 : x
  2. Step 2: Convert to fraction form
    777,372.19/1,166,219.57 = 328,096.78/x
  3. Step 3: Cross multiply
    777,372.19x = 1,166,219.57 × 328,096.78
  4. Step 4: Simplify right side
    777,372.19x = 382,632,883,594.68
  5. Step 5: Solve for x
    x = 382,632,883,594.68/777,372.19
  6. Step 6: Final answer
    x = 492,213.24

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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.