Finding the Fourth Proportional to 725,816.36, 1,088,903.14 and 252,505.82
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Solution
The fourth proportional to 725,816.36, 1,088,903.14 and 252,505.82 is: 378,820.86
Step by Step Solution
- Step 1: Write the proportion equation
725,816.36 : 1,088,903.14 = 252,505.82 : x - Step 2: Convert to fraction form
725,816.36/1,088,903.14 = 252,505.82/x - Step 3: Cross multiply
725,816.36x = 1,088,903.14 × 252,505.82 - Step 4: Simplify right side
725,816.36x = 274,954,380,266.28 - Step 5: Solve for x
x = 274,954,380,266.28/725,816.36 - Step 6: Final answer
x = 378,820.86
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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.