Finding the Fourth Proportional to 821,709.93, 1,232,626.86 and 245,287.68
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Solution
The fourth proportional to 821,709.93, 1,232,626.86 and 245,287.68 is: 367,950.02
Step by Step Solution
- Step 1: Write the proportion equation
821,709.93 : 1,232,626.86 = 245,287.68 : x - Step 2: Convert to fraction form
821,709.93/1,232,626.86 = 245,287.68/x - Step 3: Cross multiply
821,709.93x = 1,232,626.86 × 245,287.68 - Step 4: Simplify right side
821,709.93x = 302,348,182,795.09 - Step 5: Solve for x
x = 302,348,182,795.09/821,709.93 - Step 6: Final answer
x = 367,950.02
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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.