Finding the Fourth Proportional to 802,213.48, 1,107,054.18 and 479,936.68
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Solution
The fourth proportional to 802,213.48, 1,107,054.18 and 479,936.68 is: 662,312.37
Step by Step Solution
- Step 1: Write the proportion equation
802,213.48 : 1,107,054.18 = 479,936.68 : x - Step 2: Convert to fraction form
802,213.48/1,107,054.18 = 479,936.68/x - Step 3: Cross multiply
802,213.48x = 1,107,054.18 × 479,936.68 - Step 4: Simplify right side
802,213.48x = 531,315,907,729.32 - Step 5: Solve for x
x = 531,315,907,729.32/802,213.48 - Step 6: Final answer
x = 662,312.37
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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.