Finding the Fourth Proportional to 635,306.64, 877,133.44 and 393,847.26
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Solution
The fourth proportional to 635,306.64, 877,133.44 and 393,847.26 is: 543,763.56
Step by Step Solution
- Step 1: Write the proportion equation
635,306.64 : 877,133.44 = 393,847.26 : x - Step 2: Convert to fraction form
635,306.64/877,133.44 = 393,847.26/x - Step 3: Cross multiply
635,306.64x = 877,133.44 × 393,847.26 - Step 4: Simplify right side
635,306.64x = 345,456,601,998.37 - Step 5: Solve for x
x = 345,456,601,998.37/635,306.64 - Step 6: Final answer
x = 543,763.56
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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.