Finding the Fourth Proportional to 775,791.66, 1,163,675.81 and 349,026.11
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Solution
The fourth proportional to 775,791.66, 1,163,675.81 and 349,026.11 is: 523,533.92
Step by Step Solution
- Step 1: Write the proportion equation
775,791.66 : 1,163,675.81 = 349,026.11 : x - Step 2: Convert to fraction form
775,791.66/1,163,675.81 = 349,026.11/x - Step 3: Cross multiply
775,791.66x = 1,163,675.81 × 349,026.11 - Step 4: Simplify right side
775,791.66x = 406,153,245,338.17 - Step 5: Solve for x
x = 406,153,245,338.17/775,791.66 - Step 6: Final answer
x = 523,533.92
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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.