Finding the Fourth Proportional to 694,236.02, 1,040,276.93 and 481,419.05
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Solution
The fourth proportional to 694,236.02, 1,040,276.93 and 481,419.05 is: 721,381.65
Step by Step Solution
- Step 1: Write the proportion equation
694,236.02 : 1,040,276.93 = 481,419.05 : x - Step 2: Convert to fraction form
694,236.02/1,040,276.93 = 481,419.05/x - Step 3: Cross multiply
694,236.02x = 1,040,276.93 × 481,419.05 - Step 4: Simplify right side
694,236.02x = 500,809,123,769.04 - Step 5: Solve for x
x = 500,809,123,769.04/694,236.02 - Step 6: Final answer
x = 721,381.65
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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.