Finding the Fourth Proportional to 857,950.44, 1,286,934.84 and 258,916.97
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Solution
The fourth proportional to 857,950.44, 1,286,934.84 and 258,916.97 is: 388,378.23
Step by Step Solution
- Step 1: Write the proportion equation
857,950.44 : 1,286,934.84 = 258,916.97 : x - Step 2: Convert to fraction form
857,950.44/1,286,934.84 = 258,916.97/x - Step 3: Cross multiply
857,950.44x = 1,286,934.84 × 258,916.97 - Step 4: Simplify right side
857,950.44x = 333,209,269,360.24 - Step 5: Solve for x
x = 333,209,269,360.24/857,950.44 - Step 6: Final answer
x = 388,378.23
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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.