Finding the Fourth Proportional to 798,963.96, 1,198,614.24 and 259,178.08
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Solution
The fourth proportional to 798,963.96, 1,198,614.24 and 259,178.08 is: 388,821.72
Step by Step Solution
- Step 1: Write the proportion equation
798,963.96 : 1,198,614.24 = 259,178.08 : x - Step 2: Convert to fraction form
798,963.96/1,198,614.24 = 259,178.08/x - Step 3: Cross multiply
798,963.96x = 1,198,614.24 × 259,178.08 - Step 4: Simplify right side
798,963.96x = 310,654,540,643.57 - Step 5: Solve for x
x = 310,654,540,643.57/798,963.96 - Step 6: Final answer
x = 388,821.72
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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.