Finding the Fourth Proportional to 721,735.11, 1,082,603.27 and 216,349.18
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Solution
The fourth proportional to 721,735.11, 1,082,603.27 and 216,349.18 is: 324,523.95
Step by Step Solution
- Step 1: Write the proportion equation
721,735.11 : 1,082,603.27 = 216,349.18 : x - Step 2: Convert to fraction form
721,735.11/1,082,603.27 = 216,349.18/x - Step 3: Cross multiply
721,735.11x = 1,082,603.27 × 216,349.18 - Step 4: Simplify right side
721,735.11x = 234,220,327,564.18 - Step 5: Solve for x
x = 234,220,327,564.18/721,735.11 - Step 6: Final answer
x = 324,523.95
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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.