Finding the Fourth Proportional to 540,716.66, 745,940.97 and 349,791.62
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Solution
The fourth proportional to 540,716.66, 745,940.97 and 349,791.62 is: 482,551.99
Step by Step Solution
- Step 1: Write the proportion equation
540,716.66 : 745,940.97 = 349,791.62 : x - Step 2: Convert to fraction form
540,716.66/745,940.97 = 349,791.62/x - Step 3: Cross multiply
540,716.66x = 745,940.97 × 349,791.62 - Step 4: Simplify right side
540,716.66x = 260,923,900,320.67 - Step 5: Solve for x
x = 260,923,900,320.67/540,716.66 - Step 6: Final answer
x = 482,551.99
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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.