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Finding the Fourth Proportional to 526,552.85, 726,646.48 and 322,604.17

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Solution

The fourth proportional to 526,552.85, 726,646.48 and 322,604.17 is: 445,195.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,552.85 : 726,646.48 = 322,604.17 : x
  2. Step 2: Convert to fraction form
    526,552.85/726,646.48 = 322,604.17/x
  3. Step 3: Cross multiply
    526,552.85x = 726,646.48 × 322,604.17
  4. Step 4: Simplify right side
    526,552.85x = 234,419,181,940.70
  5. Step 5: Solve for x
    x = 234,419,181,940.70/526,552.85
  6. Step 6: Final answer
    x = 445,195.92

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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.