Finding the Fourth Proportional to 775,963.96, 1,163,995.12 and 243,506
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Solution
The fourth proportional to 775,963.96, 1,163,995.12 and 243,506 is: 365,274.43
Step by Step Solution
- Step 1: Write the proportion equation
775,963.96 : 1,163,995.12 = 243,506 : x - Step 2: Convert to fraction form
775,963.96/1,163,995.12 = 243,506/x - Step 3: Cross multiply
775,963.96x = 1,163,995.12 × 243,506 - Step 4: Simplify right side
775,963.96x = 283,439,795,690.72 - Step 5: Solve for x
x = 283,439,795,690.72/775,963.96 - Step 6: Final answer
x = 365,274.43
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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.