Finding the Fourth Proportional to 880,724.64, 1,320,163.36 and 430,824.48
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Solution
The fourth proportional to 880,724.64, 1,320,163.36 and 430,824.48 is: 645,784.92
Step by Step Solution
- Step 1: Write the proportion equation
880,724.64 : 1,320,163.36 = 430,824.48 : x - Step 2: Convert to fraction form
880,724.64/1,320,163.36 = 430,824.48/x - Step 3: Cross multiply
880,724.64x = 1,320,163.36 × 430,824.48 - Step 4: Simplify right side
880,724.64x = 568,758,693,087.05 - Step 5: Solve for x
x = 568,758,693,087.05/880,724.64 - Step 6: Final answer
x = 645,784.92
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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.