Finding the Fourth Proportional to 543,569.19, 815,418.63 and 262,884.75
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Solution
The fourth proportional to 543,569.19, 815,418.63 and 262,884.75 is: 394,358.49
Step by Step Solution
- Step 1: Write the proportion equation
543,569.19 : 815,418.63 = 262,884.75 : x - Step 2: Convert to fraction form
543,569.19/815,418.63 = 262,884.75/x - Step 3: Cross multiply
543,569.19x = 815,418.63 × 262,884.75 - Step 4: Simplify right side
543,569.19x = 214,361,122,692.89 - Step 5: Solve for x
x = 214,361,122,692.89/543,569.19 - Step 6: Final answer
x = 394,358.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.