Finding the Fourth Proportional to 739,163.70, 1,108,486.35 and 384,059.70
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Solution
The fourth proportional to 739,163.70, 1,108,486.35 and 384,059.70 is: 575,954.87
Step by Step Solution
- Step 1: Write the proportion equation
739,163.70 : 1,108,486.35 = 384,059.70 : x - Step 2: Convert to fraction form
739,163.70/1,108,486.35 = 384,059.70/x - Step 3: Cross multiply
739,163.70x = 1,108,486.35 × 384,059.70 - Step 4: Simplify right side
739,163.70x = 425,724,935,035.10 - Step 5: Solve for x
x = 425,724,935,035.10/739,163.70 - Step 6: Final answer
x = 575,954.87
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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.