Home / 644,940.90-967,413.69-195,665.58

Finding the Fourth Proportional to 644,940.90, 967,413.69 and 195,665.58

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Solution

The fourth proportional to 644,940.90, 967,413.69 and 195,665.58 is: 293,499.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,940.90 : 967,413.69 = 195,665.58 : x
  2. Step 2: Convert to fraction form
    644,940.90/967,413.69 = 195,665.58/x
  3. Step 3: Cross multiply
    644,940.90x = 967,413.69 × 195,665.58
  4. Step 4: Simplify right side
    644,940.90x = 189,289,560,753.79
  5. Step 5: Solve for x
    x = 189,289,560,753.79/644,940.90
  6. Step 6: Final answer
    x = 293,499.08

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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.