Finding the Fourth Proportional to 957,727.26, 1,321,623.81 and 522,135.18
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Solution
The fourth proportional to 957,727.26, 1,321,623.81 and 522,135.18 is: 720,524.85
Step by Step Solution
- Step 1: Write the proportion equation
957,727.26 : 1,321,623.81 = 522,135.18 : x - Step 2: Convert to fraction form
957,727.26/1,321,623.81 = 522,135.18/x - Step 3: Cross multiply
957,727.26x = 1,321,623.81 × 522,135.18 - Step 4: Simplify right side
957,727.26x = 690,066,285,926.64 - Step 5: Solve for x
x = 690,066,285,926.64/957,727.26 - Step 6: Final answer
x = 720,524.85
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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.