Finding the Fourth Proportional to 775,955.45, 1,163,982.37 and 243,497.49
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Solution
The fourth proportional to 775,955.45, 1,163,982.37 and 243,497.49 is: 365,261.68
Step by Step Solution
- Step 1: Write the proportion equation
775,955.45 : 1,163,982.37 = 243,497.49 : x - Step 2: Convert to fraction form
775,955.45/1,163,982.37 = 243,497.49/x - Step 3: Cross multiply
775,955.45x = 1,163,982.37 × 243,497.49 - Step 4: Simplify right side
775,955.45x = 283,426,787,529.53 - Step 5: Solve for x
x = 283,426,787,529.53/775,955.45 - Step 6: Final answer
x = 365,261.68
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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.