Finding the Fourth Proportional to 774,748.44, 1,162,189.62 and 213,782.94
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Solution
The fourth proportional to 774,748.44, 1,162,189.62 and 213,782.94 is: 320,692.89
Step by Step Solution
- Step 1: Write the proportion equation
774,748.44 : 1,162,189.62 = 213,782.94 : x - Step 2: Convert to fraction form
774,748.44/1,162,189.62 = 213,782.94/x - Step 3: Cross multiply
774,748.44x = 1,162,189.62 × 213,782.94 - Step 4: Simplify right side
774,748.44x = 248,456,313,801.08 - Step 5: Solve for x
x = 248,456,313,801.08/774,748.44 - Step 6: Final answer
x = 320,692.89
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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.