Finding the Fourth Proportional to 729,135.44, 1,093,755.71 and 279,856.31
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Solution
The fourth proportional to 729,135.44, 1,093,755.71 and 279,856.31 is: 419,804.63
Step by Step Solution
- Step 1: Write the proportion equation
729,135.44 : 1,093,755.71 = 279,856.31 : x - Step 2: Convert to fraction form
729,135.44/1,093,755.71 = 279,856.31/x - Step 3: Cross multiply
729,135.44x = 1,093,755.71 × 279,856.31 - Step 4: Simplify right side
729,135.44x = 306,094,437,042.03 - Step 5: Solve for x
x = 306,094,437,042.03/729,135.44 - Step 6: Final answer
x = 419,804.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.