Finding the Fourth Proportional to 774,611.36, 1,162,035.12 and 395,324.96
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Solution
The fourth proportional to 774,611.36, 1,162,035.12 and 395,324.96 is: 593,047.70
Step by Step Solution
- Step 1: Write the proportion equation
774,611.36 : 1,162,035.12 = 395,324.96 : x - Step 2: Convert to fraction form
774,611.36/1,162,035.12 = 395,324.96/x - Step 3: Cross multiply
774,611.36x = 1,162,035.12 × 395,324.96 - Step 4: Simplify right side
774,611.36x = 459,381,487,332.60 - Step 5: Solve for x
x = 459,381,487,332.60/774,611.36 - Step 6: Final answer
x = 593,047.70
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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.