Finding the Fourth Proportional to 500,847.44, 691,175.40 and 274,488.08
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Solution
The fourth proportional to 500,847.44, 691,175.40 and 274,488.08 is: 378,796.80
Step by Step Solution
- Step 1: Write the proportion equation
500,847.44 : 691,175.40 = 274,488.08 : x - Step 2: Convert to fraction form
500,847.44/691,175.40 = 274,488.08/x - Step 3: Cross multiply
500,847.44x = 691,175.40 × 274,488.08 - Step 4: Simplify right side
500,847.44x = 189,719,408,489.23 - Step 5: Solve for x
x = 189,719,408,489.23/500,847.44 - Step 6: Final answer
x = 378,796.80
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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.