Home / 481,730.92-664,788.70-263,940.52

Finding the Fourth Proportional to 481,730.92, 664,788.70 and 263,940.52

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Solution

The fourth proportional to 481,730.92, 664,788.70 and 263,940.52 is: 364,237.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,730.92 : 664,788.70 = 263,940.52 : x
  2. Step 2: Convert to fraction form
    481,730.92/664,788.70 = 263,940.52/x
  3. Step 3: Cross multiply
    481,730.92x = 664,788.70 × 263,940.52
  4. Step 4: Simplify right side
    481,730.92x = 175,464,675,168.12
  5. Step 5: Solve for x
    x = 175,464,675,168.12/481,730.92
  6. Step 6: Final answer
    x = 364,237.93

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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.