Finding the Fourth Proportional to 529,589.49, 730,841.99 and 287,872.53
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Solution
The fourth proportional to 529,589.49, 730,841.99 and 287,872.53 is: 397,268.71
Step by Step Solution
- Step 1: Write the proportion equation
529,589.49 : 730,841.99 = 287,872.53 : x - Step 2: Convert to fraction form
529,589.49/730,841.99 = 287,872.53/x - Step 3: Cross multiply
529,589.49x = 730,841.99 × 287,872.53 - Step 4: Simplify right side
529,589.49x = 210,389,331,252.17 - Step 5: Solve for x
x = 210,389,331,252.17/529,589.49 - Step 6: Final answer
x = 397,268.71
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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.