Home / 880,745.94-1,215,431.73-518,183.46

Finding the Fourth Proportional to 880,745.94, 1,215,431.73 and 518,183.46

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Solution

The fourth proportional to 880,745.94, 1,215,431.73 and 518,183.46 is: 715,094.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,745.94 : 1,215,431.73 = 518,183.46 : x
  2. Step 2: Convert to fraction form
    880,745.94/1,215,431.73 = 518,183.46/x
  3. Step 3: Cross multiply
    880,745.94x = 1,215,431.73 × 518,183.46
  4. Step 4: Simplify right side
    880,745.94x = 629,816,619,245.19
  5. Step 5: Solve for x
    x = 629,816,619,245.19/880,745.94
  6. Step 6: Final answer
    x = 715,094.55

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.