Finding the Fourth Proportional to 758,113.40, 1,136,789.81 and 252,496.62
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Solution
The fourth proportional to 758,113.40, 1,136,789.81 and 252,496.62 is: 378,618.27
Step by Step Solution
- Step 1: Write the proportion equation
758,113.40 : 1,136,789.81 = 252,496.62 : x - Step 2: Convert to fraction form
758,113.40/1,136,789.81 = 252,496.62/x - Step 3: Cross multiply
758,113.40x = 1,136,789.81 × 252,496.62 - Step 4: Simplify right side
758,113.40x = 287,035,584,359.82 - Step 5: Solve for x
x = 287,035,584,359.82/758,113.40 - Step 6: Final answer
x = 378,618.27
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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.