Finding the Fourth Proportional to 884,381.49, 1,326,342.60 and 253,147.68
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Solution
The fourth proportional to 884,381.49, 1,326,342.60 and 253,147.68 is: 379,655.79
Step by Step Solution
- Step 1: Write the proportion equation
884,381.49 : 1,326,342.60 = 253,147.68 : x - Step 2: Convert to fraction form
884,381.49/1,326,342.60 = 253,147.68/x - Step 3: Cross multiply
884,381.49x = 1,326,342.60 × 253,147.68 - Step 4: Simplify right side
884,381.49x = 335,760,552,075.17 - Step 5: Solve for x
x = 335,760,552,075.17/884,381.49 - Step 6: Final answer
x = 379,655.79
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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.