Finding the Fourth Proportional to 744,593.84, 1,027,534.60 and 405,063.44
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Solution
The fourth proportional to 744,593.84, 1,027,534.60 and 405,063.44 is: 558,984.88
Step by Step Solution
- Step 1: Write the proportion equation
744,593.84 : 1,027,534.60 = 405,063.44 : x - Step 2: Convert to fraction form
744,593.84/1,027,534.60 = 405,063.44/x - Step 3: Cross multiply
744,593.84x = 1,027,534.60 × 405,063.44 - Step 4: Simplify right side
744,593.84x = 416,216,699,795.02 - Step 5: Solve for x
x = 416,216,699,795.02/744,593.84 - Step 6: Final answer
x = 558,984.88
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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.