Home / 681,711.36-1,022,208.88-302,467.84

Finding the Fourth Proportional to 681,711.36, 1,022,208.88 and 302,467.84

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Solution

The fourth proportional to 681,711.36, 1,022,208.88 and 302,467.84 is: 453,542.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,711.36 : 1,022,208.88 = 302,467.84 : x
  2. Step 2: Convert to fraction form
    681,711.36/1,022,208.88 = 302,467.84/x
  3. Step 3: Cross multiply
    681,711.36x = 1,022,208.88 × 302,467.84
  4. Step 4: Simplify right side
    681,711.36x = 309,185,311,962.42
  5. Step 5: Solve for x
    x = 309,185,311,962.42/681,711.36
  6. Step 6: Final answer
    x = 453,542.85

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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.