Home / 792,413.84-1,188,607.80-319,087.28

Finding the Fourth Proportional to 792,413.84, 1,188,607.80 and 319,087.28

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Solution

The fourth proportional to 792,413.84, 1,188,607.80 and 319,087.28 is: 478,625.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,413.84 : 1,188,607.80 = 319,087.28 : x
  2. Step 2: Convert to fraction form
    792,413.84/1,188,607.80 = 319,087.28/x
  3. Step 3: Cross multiply
    792,413.84x = 1,188,607.80 × 319,087.28
  4. Step 4: Simplify right side
    792,413.84x = 379,269,629,888.78
  5. Step 5: Solve for x
    x = 379,269,629,888.78/792,413.84
  6. Step 6: Final answer
    x = 478,625.70

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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.