Finding the Fourth Proportional to 529,530.86, 730,757.43 and 287,813.99
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Solution
The fourth proportional to 529,530.86, 730,757.43 and 287,813.99 is: 397,185.94
Step by Step Solution
- Step 1: Write the proportion equation
529,530.86 : 730,757.43 = 287,813.99 : x - Step 2: Convert to fraction form
529,530.86/730,757.43 = 287,813.99/x - Step 3: Cross multiply
529,530.86x = 730,757.43 × 287,813.99 - Step 4: Simplify right side
529,530.86x = 210,322,207,996.66 - Step 5: Solve for x
x = 210,322,207,996.66/529,530.86 - Step 6: Final answer
x = 397,185.94
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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.