Finding the Fourth Proportional to 984,859.80, 1,477,447.64 and 416,246.44
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Solution
The fourth proportional to 984,859.80, 1,477,447.64 and 416,246.44 is: 624,436.41
Step by Step Solution
- Step 1: Write the proportion equation
984,859.80 : 1,477,447.64 = 416,246.44 : x - Step 2: Convert to fraction form
984,859.80/1,477,447.64 = 416,246.44/x - Step 3: Cross multiply
984,859.80x = 1,477,447.64 × 416,246.44 - Step 4: Simplify right side
984,859.80x = 614,982,320,436.40 - Step 5: Solve for x
x = 614,982,320,436.40/984,859.80 - Step 6: Final answer
x = 624,436.41
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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.