Finding the Fourth Proportional to 824,727.68, 1,236,741.60 and 292,382.72
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Solution
The fourth proportional to 824,727.68, 1,236,741.60 and 292,382.72 is: 438,450.03
Step by Step Solution
- Step 1: Write the proportion equation
824,727.68 : 1,236,741.60 = 292,382.72 : x - Step 2: Convert to fraction form
824,727.68/1,236,741.60 = 292,382.72/x - Step 3: Cross multiply
824,727.68x = 1,236,741.60 × 292,382.72 - Step 4: Simplify right side
824,727.68x = 361,601,872,945.15 - Step 5: Solve for x
x = 361,601,872,945.15/824,727.68 - Step 6: Final answer
x = 438,450.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.