Finding the Fourth Proportional to 744,893.16, 1,027,948.67 and 405,363.84
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Solution
The fourth proportional to 744,893.16, 1,027,948.67 and 405,363.84 is: 559,399.98
Step by Step Solution
- Step 1: Write the proportion equation
744,893.16 : 1,027,948.67 = 405,363.84 : x - Step 2: Convert to fraction form
744,893.16/1,027,948.67 = 405,363.84/x - Step 3: Cross multiply
744,893.16x = 1,027,948.67 × 405,363.84 - Step 4: Simplify right side
744,893.16x = 416,693,220,194.09 - Step 5: Solve for x
x = 416,693,220,194.09/744,893.16 - Step 6: Final answer
x = 559,399.98
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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.