Finding the Fourth Proportional to 789,650.58, 1,089,714.66 and 427,074.84
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Solution
The fourth proportional to 789,650.58, 1,089,714.66 and 427,074.84 is: 589,361.58
Step by Step Solution
- Step 1: Write the proportion equation
789,650.58 : 1,089,714.66 = 427,074.84 : x - Step 2: Convert to fraction form
789,650.58/1,089,714.66 = 427,074.84/x - Step 3: Cross multiply
789,650.58x = 1,089,714.66 × 427,074.84 - Step 4: Simplify right side
789,650.58x = 465,389,714,065.15 - Step 5: Solve for x
x = 465,389,714,065.15/789,650.58 - Step 6: Final answer
x = 589,361.58
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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.