Finding the Fourth Proportional to 726,578.19, 1,089,858.24 and 253,261.98
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Solution
The fourth proportional to 726,578.19, 1,089,858.24 and 253,261.98 is: 379,889.82
Step by Step Solution
- Step 1: Write the proportion equation
726,578.19 : 1,089,858.24 = 253,261.98 : x - Step 2: Convert to fraction form
726,578.19/1,089,858.24 = 253,261.98/x - Step 3: Cross multiply
726,578.19x = 1,089,858.24 × 253,261.98 - Step 4: Simplify right side
726,578.19x = 276,019,655,781.72 - Step 5: Solve for x
x = 276,019,655,781.72/726,578.19 - Step 6: Final answer
x = 379,889.82
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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.