Finding the Fourth Proportional to 681,053.40, 1,022,163.30 and 302,556.60
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Solution
The fourth proportional to 681,053.40, 1,022,163.30 and 302,556.60 is: 454,093.99
Step by Step Solution
- Step 1: Write the proportion equation
681,053.40 : 1,022,163.30 = 302,556.60 : x - Step 2: Convert to fraction form
681,053.40/1,022,163.30 = 302,556.60/x - Step 3: Cross multiply
681,053.40x = 1,022,163.30 × 302,556.60 - Step 4: Simplify right side
681,053.40x = 309,262,252,692.78 - Step 5: Solve for x
x = 309,262,252,692.78/681,053.40 - Step 6: Final answer
x = 454,093.99
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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.