Finding the Fourth Proportional to 726,625.97, 1,089,231.82 and 347,448.77
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Solution
The fourth proportional to 726,625.97, 1,089,231.82 and 347,448.77 is: 520,835.03
Step by Step Solution
- Step 1: Write the proportion equation
726,625.97 : 1,089,231.82 = 347,448.77 : x - Step 2: Convert to fraction form
726,625.97/1,089,231.82 = 347,448.77/x - Step 3: Cross multiply
726,625.97x = 1,089,231.82 × 347,448.77 - Step 4: Simplify right side
726,625.97x = 378,452,257,958.32 - Step 5: Solve for x
x = 378,452,257,958.32/726,625.97 - Step 6: Final answer
x = 520,835.03
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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.