Finding the Fourth Proportional to 827,243.55, 1,141,623.81 and 459,736.17
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Solution
The fourth proportional to 827,243.55, 1,141,623.81 and 459,736.17 is: 634,451.31
Step by Step Solution
- Step 1: Write the proportion equation
827,243.55 : 1,141,623.81 = 459,736.17 : x - Step 2: Convert to fraction form
827,243.55/1,141,623.81 = 459,736.17/x - Step 3: Cross multiply
827,243.55x = 1,141,623.81 × 459,736.17 - Step 4: Simplify right side
827,243.55x = 524,845,757,990.21 - Step 5: Solve for x
x = 524,845,757,990.21/827,243.55 - Step 6: Final answer
x = 634,451.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.