Home / 776,504.80-1,165,413.30-303,529.60

Finding the Fourth Proportional to 776,504.80, 1,165,413.30 and 303,529.60

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Solution

The fourth proportional to 776,504.80, 1,165,413.30 and 303,529.60 is: 455,550.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,504.80 : 1,165,413.30 = 303,529.60 : x
  2. Step 2: Convert to fraction form
    776,504.80/1,165,413.30 = 303,529.60/x
  3. Step 3: Cross multiply
    776,504.80x = 1,165,413.30 × 303,529.60
  4. Step 4: Simplify right side
    776,504.80x = 353,737,432,783.68
  5. Step 5: Solve for x
    x = 353,737,432,783.68/776,504.80
  6. Step 6: Final answer
    x = 455,550.86

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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.