Finding the Fourth Proportional to 1,603,571.31, 2,405,336.88 and 389,157.99
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Solution
The fourth proportional to 1,603,571.31, 2,405,336.88 and 389,157.99 is: 583,732.11
Step by Step Solution
- Step 1: Write the proportion equation
1,603,571.31 : 2,405,336.88 = 389,157.99 : x - Step 2: Convert to fraction form
1,603,571.31/2,405,336.88 = 389,157.99/x - Step 3: Cross multiply
1,603,571.31x = 2,405,336.88 × 389,157.99 - Step 4: Simplify right side
1,603,571.31x = 936,056,068,080.52 - Step 5: Solve for x
x = 936,056,068,080.52/1,603,571.31 - Step 6: Final answer
x = 583,732.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.