Finding the Fourth Proportional to 747,164.16, 1,120,742.60 and 347,584.68
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Solution
The fourth proportional to 747,164.16, 1,120,742.60 and 347,584.68 is: 521,375.32
Step by Step Solution
- Step 1: Write the proportion equation
747,164.16 : 1,120,742.60 = 347,584.68 : x - Step 2: Convert to fraction form
747,164.16/1,120,742.60 = 347,584.68/x - Step 3: Cross multiply
747,164.16x = 1,120,742.60 × 347,584.68 - Step 4: Simplify right side
747,164.16x = 389,552,956,245.45 - Step 5: Solve for x
x = 389,552,956,245.45/747,164.16 - Step 6: Final answer
x = 521,375.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.