Home / 738,721.65-1,107,999.41-199,017.82

Finding the Fourth Proportional to 738,721.65, 1,107,999.41 and 199,017.82

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Solution

The fourth proportional to 738,721.65, 1,107,999.41 and 199,017.82 is: 298,504.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,721.65 : 1,107,999.41 = 199,017.82 : x
  2. Step 2: Convert to fraction form
    738,721.65/1,107,999.41 = 199,017.82/x
  3. Step 3: Cross multiply
    738,721.65x = 1,107,999.41 × 199,017.82
  4. Step 4: Simplify right side
    738,721.65x = 220,511,624,413.15
  5. Step 5: Solve for x
    x = 220,511,624,413.15/738,721.65
  6. Step 6: Final answer
    x = 298,504.35

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1.5x scale

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.