Home / 578,918.78-868,462.30-179,591.38

Finding the Fourth Proportional to 578,918.78, 868,462.30 and 179,591.38

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Solution

The fourth proportional to 578,918.78, 868,462.30 and 179,591.38 is: 269,413.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,918.78 : 868,462.30 = 179,591.38 : x
  2. Step 2: Convert to fraction form
    578,918.78/868,462.30 = 179,591.38/x
  3. Step 3: Cross multiply
    578,918.78x = 868,462.30 × 179,591.38
  4. Step 4: Simplify right side
    578,918.78x = 155,968,342,934.97
  5. Step 5: Solve for x
    x = 155,968,342,934.97/578,918.78
  6. Step 6: Final answer
    x = 269,413.17

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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.