Finding the Fourth Proportional to 862,687.39, 1,190,513.32 and 500,326.09
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Solution
The fourth proportional to 862,687.39, 1,190,513.32 and 500,326.09 is: 690,452.75
Step by Step Solution
- Step 1: Write the proportion equation
862,687.39 : 1,190,513.32 = 500,326.09 : x - Step 2: Convert to fraction form
862,687.39/1,190,513.32 = 500,326.09/x - Step 3: Cross multiply
862,687.39x = 1,190,513.32 × 500,326.09 - Step 4: Simplify right side
862,687.39x = 595,644,879,772.39 - Step 5: Solve for x
x = 595,644,879,772.39/862,687.39 - Step 6: Final answer
x = 690,452.75
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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.