Home / 526,786-726,964.68-288,322

Finding the Fourth Proportional to 526,786, 726,964.68 and 288,322

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Solution

The fourth proportional to 526,786, 726,964.68 and 288,322 is: 397,884.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,786 : 726,964.68 = 288,322 : x
  2. Step 2: Convert to fraction form
    526,786/726,964.68 = 288,322/x
  3. Step 3: Cross multiply
    526,786x = 726,964.68 × 288,322
  4. Step 4: Simplify right side
    526,786x = 209,599,910,466.96
  5. Step 5: Solve for x
    x = 209,599,910,466.96/526,786
  6. Step 6: Final answer
    x = 397,884.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.