Finding the Fourth Proportional to 738,230.20, 1,104,720.90 and 512,531.80
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Solution
The fourth proportional to 738,230.20, 1,104,720.90 and 512,531.80 is: 766,975.66
Step by Step Solution
- Step 1: Write the proportion equation
738,230.20 : 1,104,720.90 = 512,531.80 : x - Step 2: Convert to fraction form
738,230.20/1,104,720.90 = 512,531.80/x - Step 3: Cross multiply
738,230.20x = 1,104,720.90 × 512,531.80 - Step 4: Simplify right side
738,230.20x = 566,204,591,374.62 - Step 5: Solve for x
x = 566,204,591,374.62/738,230.20 - Step 6: Final answer
x = 766,975.66
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1.5x scale
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.