Finding the Fourth Proportional to 775,557.31, 1,163,350.55 and 243,066.55
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Solution
The fourth proportional to 775,557.31, 1,163,350.55 and 243,066.55 is: 364,604.40
Step by Step Solution
- Step 1: Write the proportion equation
775,557.31 : 1,163,350.55 = 243,066.55 : x - Step 2: Convert to fraction form
775,557.31/1,163,350.55 = 243,066.55/x - Step 3: Cross multiply
775,557.31x = 1,163,350.55 × 243,066.55 - Step 4: Simplify right side
775,557.31x = 282,771,604,629.10 - Step 5: Solve for x
x = 282,771,604,629.10/775,557.31 - Step 6: Final answer
x = 364,604.40
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1.5x scale
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.