Finding the Fourth Proportional to 789,578.74, 1,089,552.36 and 467,232.76
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Solution
The fourth proportional to 789,578.74, 1,089,552.36 and 467,232.76 is: 644,741.98
Step by Step Solution
- Step 1: Write the proportion equation
789,578.74 : 1,089,552.36 = 467,232.76 : x - Step 2: Convert to fraction form
789,578.74/1,089,552.36 = 467,232.76/x - Step 3: Cross multiply
789,578.74x = 1,089,552.36 × 467,232.76 - Step 4: Simplify right side
789,578.74x = 509,074,556,327.31 - Step 5: Solve for x
x = 509,074,556,327.31/789,578.74 - Step 6: Final answer
x = 644,741.98
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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.