Finding the Fourth Proportional to 764,108.70, 1,146,163.05 and 706,371.90
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Solution
The fourth proportional to 764,108.70, 1,146,163.05 and 706,371.90 is: 1,059,557.85
Step by Step Solution
- Step 1: Write the proportion equation
764,108.70 : 1,146,163.05 = 706,371.90 : x - Step 2: Convert to fraction form
764,108.70/1,146,163.05 = 706,371.90/x - Step 3: Cross multiply
764,108.70x = 1,146,163.05 × 706,371.90 - Step 4: Simplify right side
764,108.70x = 809,617,371,338.30 - Step 5: Solve for x
x = 809,617,371,338.30/764,108.70 - Step 6: Final answer
x = 1,059,557.85
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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.