Finding the Fourth Proportional to 884,589.98, 1,326,884.70 and 285,639.26
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Solution
The fourth proportional to 884,589.98, 1,326,884.70 and 285,639.26 is: 428,458.80
Step by Step Solution
- Step 1: Write the proportion equation
884,589.98 : 1,326,884.70 = 285,639.26 : x - Step 2: Convert to fraction form
884,589.98/1,326,884.70 = 285,639.26/x - Step 3: Cross multiply
884,589.98x = 1,326,884.70 × 285,639.26 - Step 4: Simplify right side
884,589.98x = 379,010,363,813.32 - Step 5: Solve for x
x = 379,010,363,813.32/884,589.98 - Step 6: Final answer
x = 428,458.80
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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.