Finding the Fourth Proportional to 898,082.44, 1,239,353.76 and 612,102.12
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Solution
The fourth proportional to 898,082.44, 1,239,353.76 and 612,102.12 is: 844,700.92
Step by Step Solution
- Step 1: Write the proportion equation
898,082.44 : 1,239,353.76 = 612,102.12 : x - Step 2: Convert to fraction form
898,082.44/1,239,353.76 = 612,102.12/x - Step 3: Cross multiply
898,082.44x = 1,239,353.76 × 612,102.12 - Step 4: Simplify right side
898,082.44x = 758,611,061,573.78 - Step 5: Solve for x
x = 758,611,061,573.78/898,082.44 - Step 6: Final answer
x = 844,700.92
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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.