Finding the Fourth Proportional to 798,973.74, 1,198,465.29 and 266,493.42
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Solution
The fourth proportional to 798,973.74, 1,198,465.29 and 266,493.42 is: 399,741.69
Step by Step Solution
- Step 1: Write the proportion equation
798,973.74 : 1,198,465.29 = 266,493.42 : x - Step 2: Convert to fraction form
798,973.74/1,198,465.29 = 266,493.42/x - Step 3: Cross multiply
798,973.74x = 1,198,465.29 × 266,493.42 - Step 4: Simplify right side
798,973.74x = 319,383,113,883.39 - Step 5: Solve for x
x = 319,383,113,883.39/798,973.74 - Step 6: Final answer
x = 399,741.69
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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.