Finding the Fourth Proportional to 904,034.31, 1,247,563.44 and 496,142.75
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Solution
The fourth proportional to 904,034.31, 1,247,563.44 and 496,142.75 is: 684,674.84
Step by Step Solution
- Step 1: Write the proportion equation
904,034.31 : 1,247,563.44 = 496,142.75 : x - Step 2: Convert to fraction form
904,034.31/1,247,563.44 = 496,142.75/x - Step 3: Cross multiply
904,034.31x = 1,247,563.44 × 496,142.75 - Step 4: Simplify right side
904,034.31x = 618,969,549,683.24 - Step 5: Solve for x
x = 618,969,549,683.24/904,034.31 - Step 6: Final answer
x = 684,674.84
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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.