Finding the Fourth Proportional to 691,692.97, 954,537.99 and 385,789.16
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Solution
The fourth proportional to 691,692.97, 954,537.99 and 385,789.16 is: 532,389.98
Step by Step Solution
- Step 1: Write the proportion equation
691,692.97 : 954,537.99 = 385,789.16 : x - Step 2: Convert to fraction form
691,692.97/954,537.99 = 385,789.16/x - Step 3: Cross multiply
691,692.97x = 954,537.99 × 385,789.16 - Step 4: Simplify right side
691,692.97x = 368,250,409,350.19 - Step 5: Solve for x
x = 368,250,409,350.19/691,692.97 - Step 6: Final answer
x = 532,389.98
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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.