Finding the Fourth Proportional to 957,723.14, 1,321,618.10 and 522,131.06
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Solution
The fourth proportional to 957,723.14, 1,321,618.10 and 522,131.06 is: 720,519.14
Step by Step Solution
- Step 1: Write the proportion equation
957,723.14 : 1,321,618.10 = 522,131.06 : x - Step 2: Convert to fraction form
957,723.14/1,321,618.10 = 522,131.06/x - Step 3: Cross multiply
957,723.14x = 1,321,618.10 × 522,131.06 - Step 4: Simplify right side
957,723.14x = 690,057,850,249.44 - Step 5: Solve for x
x = 690,057,850,249.44/957,723.14 - Step 6: Final answer
x = 720,519.14
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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.