Finding the Fourth Proportional to 827,211.24, 1,141,526.64 and 459,687.12
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Solution
The fourth proportional to 827,211.24, 1,141,526.64 and 459,687.12 is: 634,354.40
Step by Step Solution
- Step 1: Write the proportion equation
827,211.24 : 1,141,526.64 = 459,687.12 : x - Step 2: Convert to fraction form
827,211.24/1,141,526.64 = 459,687.12/x - Step 3: Cross multiply
827,211.24x = 1,141,526.64 × 459,687.12 - Step 4: Simplify right side
827,211.24x = 524,745,093,544.88 - Step 5: Solve for x
x = 524,745,093,544.88/827,211.24 - Step 6: Final answer
x = 634,354.40
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1.5x scale
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.