Finding the Fourth Proportional to 635,717.70, 877,286.21 and 345,326.63
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Solution
The fourth proportional to 635,717.70, 877,286.21 and 345,326.63 is: 476,548.45
Step by Step Solution
- Step 1: Write the proportion equation
635,717.70 : 877,286.21 = 345,326.63 : x - Step 2: Convert to fraction form
635,717.70/877,286.21 = 345,326.63/x - Step 3: Cross multiply
635,717.70x = 877,286.21 × 345,326.63 - Step 4: Simplify right side
635,717.70x = 302,950,284,331.71 - Step 5: Solve for x
x = 302,950,284,331.71/635,717.70 - Step 6: Final answer
x = 476,548.45
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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.