Finding the Fourth Proportional to 793,766.16, 1,095,398.46 and 431,190.09
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Solution
The fourth proportional to 793,766.16, 1,095,398.46 and 431,190.09 is: 595,042.95
Step by Step Solution
- Step 1: Write the proportion equation
793,766.16 : 1,095,398.46 = 431,190.09 : x - Step 2: Convert to fraction form
793,766.16/1,095,398.46 = 431,190.09/x - Step 3: Cross multiply
793,766.16x = 1,095,398.46 × 431,190.09 - Step 4: Simplify right side
793,766.16x = 472,324,960,553.26 - Step 5: Solve for x
x = 472,324,960,553.26/793,766.16 - Step 6: Final answer
x = 595,042.95
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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.