Finding the Fourth Proportional to 820,992.08, 1,133,157.96 and 481,569.68
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Solution
The fourth proportional to 820,992.08, 1,133,157.96 and 481,569.68 is: 664,676.96
Step by Step Solution
- Step 1: Write the proportion equation
820,992.08 : 1,133,157.96 = 481,569.68 : x - Step 2: Convert to fraction form
820,992.08/1,133,157.96 = 481,569.68/x - Step 3: Cross multiply
820,992.08x = 1,133,157.96 × 481,569.68 - Step 4: Simplify right side
820,992.08x = 545,694,516,186.65 - Step 5: Solve for x
x = 545,694,516,186.65/820,992.08 - Step 6: Final answer
x = 664,676.96
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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.