Finding the Fourth Proportional to 798,997.79, 1,198,455.92 and 293,519.99
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Solution
The fourth proportional to 798,997.79, 1,198,455.92 and 293,519.99 is: 440,265.01
Step by Step Solution
- Step 1: Write the proportion equation
798,997.79 : 1,198,455.92 = 293,519.99 : x - Step 2: Convert to fraction form
798,997.79/1,198,455.92 = 293,519.99/x - Step 3: Cross multiply
798,997.79x = 1,198,455.92 × 293,519.99 - Step 4: Simplify right side
798,997.79x = 351,770,768,186.24 - Step 5: Solve for x
x = 351,770,768,186.24/798,997.79 - Step 6: Final answer
x = 440,265.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.