Finding the Fourth Proportional to 635,307.64, 877,134.82 and 393,848.26
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Solution
The fourth proportional to 635,307.64, 877,134.82 and 393,848.26 is: 543,764.94
Step by Step Solution
- Step 1: Write the proportion equation
635,307.64 : 877,134.82 = 393,848.26 : x - Step 2: Convert to fraction form
635,307.64/877,134.82 = 393,848.26/x - Step 3: Cross multiply
635,307.64x = 877,134.82 × 393,848.26 - Step 4: Simplify right side
635,307.64x = 345,458,022,642.41 - Step 5: Solve for x
x = 345,458,022,642.41/635,307.64 - Step 6: Final answer
x = 543,764.94
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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.