Finding the Fourth Proportional to 635,838.06, 877,455.81 and 349,357.44
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Solution
The fourth proportional to 635,838.06, 877,455.81 and 349,357.44 is: 482,112.88
Step by Step Solution
- Step 1: Write the proportion equation
635,838.06 : 877,455.81 = 349,357.44 : x - Step 2: Convert to fraction form
635,838.06/877,455.81 = 349,357.44/x - Step 3: Cross multiply
635,838.06x = 877,455.81 × 349,357.44 - Step 4: Simplify right side
635,838.06x = 306,545,715,494.73 - Step 5: Solve for x
x = 306,545,715,494.73/635,838.06 - Step 6: Final answer
x = 482,112.88
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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.