Finding the Fourth Proportional to 700,906.14, 967,249.71 and 378,616.17
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Solution
The fourth proportional to 700,906.14, 967,249.71 and 378,616.17 is: 522,489.90
Step by Step Solution
- Step 1: Write the proportion equation
700,906.14 : 967,249.71 = 378,616.17 : x - Step 2: Convert to fraction form
700,906.14/967,249.71 = 378,616.17/x - Step 3: Cross multiply
700,906.14x = 967,249.71 × 378,616.17 - Step 4: Simplify right side
700,906.14x = 366,216,380,633.81 - Step 5: Solve for x
x = 366,216,380,633.81/700,906.14 - Step 6: Final answer
x = 522,489.90
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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.