Finding the Fourth Proportional to 876,716.98, 1,313,912.86 and 450,235.55
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Solution
The fourth proportional to 876,716.98, 1,313,912.86 and 450,235.55 is: 674,756.27
Step by Step Solution
- Step 1: Write the proportion equation
876,716.98 : 1,313,912.86 = 450,235.55 : x - Step 2: Convert to fraction form
876,716.98/1,313,912.86 = 450,235.55/x - Step 3: Cross multiply
876,716.98x = 1,313,912.86 × 450,235.55 - Step 4: Simplify right side
876,716.98x = 591,570,279,174.17 - Step 5: Solve for x
x = 591,570,279,174.17/876,716.98 - Step 6: Final answer
x = 674,756.27
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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.