Finding the Fourth Proportional to 793,821.09, 1,095,474.06 and 431,245.19
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Solution
The fourth proportional to 793,821.09, 1,095,474.06 and 431,245.19 is: 595,118.88
Step by Step Solution
- Step 1: Write the proportion equation
793,821.09 : 1,095,474.06 = 431,245.19 : x - Step 2: Convert to fraction form
793,821.09/1,095,474.06 = 431,245.19/x - Step 3: Cross multiply
793,821.09x = 1,095,474.06 × 431,245.19 - Step 4: Simplify right side
793,821.09x = 472,417,919,144.77 - Step 5: Solve for x
x = 472,417,919,144.77/793,821.09 - Step 6: Final answer
x = 595,118.88
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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.