Finding the Fourth Proportional to 775,960.14, 1,163,989.41 and 243,502.17
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Solution
The fourth proportional to 775,960.14, 1,163,989.41 and 243,502.17 is: 365,268.69
Step by Step Solution
- Step 1: Write the proportion equation
775,960.14 : 1,163,989.41 = 243,502.17 : x - Step 2: Convert to fraction form
775,960.14/1,163,989.41 = 243,502.17/x - Step 3: Cross multiply
775,960.14x = 1,163,989.41 × 243,502.17 - Step 4: Simplify right side
775,960.14x = 283,433,947,192.02 - Step 5: Solve for x
x = 283,433,947,192.02/775,960.14 - Step 6: Final answer
x = 365,268.69
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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.