Finding the Fourth Proportional to 744,331.09, 1,027,408.17 and 591,640.21
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Solution
The fourth proportional to 744,331.09, 1,027,408.17 and 591,640.21 is: 816,647.31
Step by Step Solution
- Step 1: Write the proportion equation
744,331.09 : 1,027,408.17 = 591,640.21 : x - Step 2: Convert to fraction form
744,331.09/1,027,408.17 = 591,640.21/x - Step 3: Cross multiply
744,331.09x = 1,027,408.17 × 591,640.21 - Step 4: Simplify right side
744,331.09x = 607,855,985,454.52 - Step 5: Solve for x
x = 607,855,985,454.52/744,331.09 - Step 6: Final answer
x = 816,647.31
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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.