Finding the Fourth Proportional to 497,213.08, 686,413.62 and 388,082.92
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Solution
The fourth proportional to 497,213.08, 686,413.62 and 388,082.92 is: 535,757.03
Step by Step Solution
- Step 1: Write the proportion equation
497,213.08 : 686,413.62 = 388,082.92 : x - Step 2: Convert to fraction form
497,213.08/686,413.62 = 388,082.92/x - Step 3: Cross multiply
497,213.08x = 686,413.62 × 388,082.92 - Step 4: Simplify right side
497,213.08x = 266,385,401,977.37 - Step 5: Solve for x
x = 266,385,401,977.37/497,213.08 - Step 6: Final answer
x = 535,757.03
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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.