Finding the Fourth Proportional to 775,633.74, 1,163,416.77 and 243,142.62
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Solution
The fourth proportional to 775,633.74, 1,163,416.77 and 243,142.62 is: 364,703.32
Step by Step Solution
- Step 1: Write the proportion equation
775,633.74 : 1,163,416.77 = 243,142.62 : x - Step 2: Convert to fraction form
775,633.74/1,163,416.77 = 243,142.62/x - Step 3: Cross multiply
775,633.74x = 1,163,416.77 × 243,142.62 - Step 4: Simplify right side
775,633.74x = 282,876,201,609.74 - Step 5: Solve for x
x = 282,876,201,609.74/775,633.74 - Step 6: Final answer
x = 364,703.32
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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.