Finding the Fourth Proportional to 665,837.26, 918,858.64 and 364,031.26
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Solution
The fourth proportional to 665,837.26, 918,858.64 and 364,031.26 is: 502,364.90
Step by Step Solution
- Step 1: Write the proportion equation
665,837.26 : 918,858.64 = 364,031.26 : x - Step 2: Convert to fraction form
665,837.26/918,858.64 = 364,031.26/x - Step 3: Cross multiply
665,837.26x = 918,858.64 × 364,031.26 - Step 4: Simplify right side
665,837.26x = 334,493,268,481.09 - Step 5: Solve for x
x = 334,493,268,481.09/665,837.26 - Step 6: Final answer
x = 502,364.90
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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.