Home / 662,942.40-994,413.60-189,643.20

Finding the Fourth Proportional to 662,942.40, 994,413.60 and 189,643.20

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Solution

The fourth proportional to 662,942.40, 994,413.60 and 189,643.20 is: 284,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,942.40 : 994,413.60 = 189,643.20 : x
  2. Step 2: Convert to fraction form
    662,942.40/994,413.60 = 189,643.20/x
  3. Step 3: Cross multiply
    662,942.40x = 994,413.60 × 189,643.20
  4. Step 4: Simplify right side
    662,942.40x = 188,583,777,227.52
  5. Step 5: Solve for x
    x = 188,583,777,227.52/662,942.40
  6. Step 6: Final answer
    x = 284,464.80

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Similar ratio
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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.