Finding the Fourth Proportional to 793,555.34, 1,190,173.84 and 388,573.09
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Solution
The fourth proportional to 793,555.34, 1,190,173.84 and 388,573.09 is: 582,781.69
Step by Step Solution
- Step 1: Write the proportion equation
793,555.34 : 1,190,173.84 = 388,573.09 : x - Step 2: Convert to fraction form
793,555.34/1,190,173.84 = 388,573.09/x - Step 3: Cross multiply
793,555.34x = 1,190,173.84 × 388,573.09 - Step 4: Simplify right side
793,555.34x = 462,469,522,699.10 - Step 5: Solve for x
x = 462,469,522,699.10/793,555.34 - Step 6: Final answer
x = 582,781.69
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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.