Finding the Fourth Proportional to 529,532.46, 730,759.26 and 287,814.99
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Solution
The fourth proportional to 529,532.46, 730,759.26 and 287,814.99 is: 397,187.11
Step by Step Solution
- Step 1: Write the proportion equation
529,532.46 : 730,759.26 = 287,814.99 : x - Step 2: Convert to fraction form
529,532.46/730,759.26 = 287,814.99/x - Step 3: Cross multiply
529,532.46x = 730,759.26 × 287,814.99 - Step 4: Simplify right side
529,532.46x = 210,323,469,109.31 - Step 5: Solve for x
x = 210,323,469,109.31/529,532.46 - Step 6: Final answer
x = 397,187.11
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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.