Finding the Fourth Proportional to 786,847.52, 1,179,982.12 and 281,272.08
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Solution
The fourth proportional to 786,847.52, 1,179,982.12 and 281,272.08 is: 421,804.75
Step by Step Solution
- Step 1: Write the proportion equation
786,847.52 : 1,179,982.12 = 281,272.08 : x - Step 2: Convert to fraction form
786,847.52/1,179,982.12 = 281,272.08/x - Step 3: Cross multiply
786,847.52x = 1,179,982.12 × 281,272.08 - Step 4: Simplify right side
786,847.52x = 331,896,025,255.21 - Step 5: Solve for x
x = 331,896,025,255.21/786,847.52 - Step 6: Final answer
x = 421,804.75
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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.