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Finding the Fourth Proportional to 498,413.10, 746,728.65 and 303,311.10

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Solution

The fourth proportional to 498,413.10, 746,728.65 and 303,311.10 is: 454,424.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,413.10 : 746,728.65 = 303,311.10 : x
  2. Step 2: Convert to fraction form
    498,413.10/746,728.65 = 303,311.10/x
  3. Step 3: Cross multiply
    498,413.10x = 746,728.65 × 303,311.10
  4. Step 4: Simplify right side
    498,413.10x = 226,491,088,233.02
  5. Step 5: Solve for x
    x = 226,491,088,233.02/498,413.10
  6. Step 6: Final answer
    x = 454,424.43

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Similar ratio
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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.