Home / 816,322.20-1,224,563.94-255,367.32

Finding the Fourth Proportional to 816,322.20, 1,224,563.94 and 255,367.32

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Solution

The fourth proportional to 816,322.20, 1,224,563.94 and 255,367.32 is: 383,076.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,322.20 : 1,224,563.94 = 255,367.32 : x
  2. Step 2: Convert to fraction form
    816,322.20/1,224,563.94 = 255,367.32/x
  3. Step 3: Cross multiply
    816,322.20x = 1,224,563.94 × 255,367.32
  4. Step 4: Simplify right side
    816,322.20x = 312,713,611,526.44
  5. Step 5: Solve for x
    x = 312,713,611,526.44/816,322.20
  6. Step 6: Final answer
    x = 383,076.21

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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.