Finding the Fourth Proportional to 759,693.56, 1,139,119.62 and 310,729.68
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Solution
The fourth proportional to 759,693.56, 1,139,119.62 and 310,729.68 is: 465,922.44
Step by Step Solution
- Step 1: Write the proportion equation
759,693.56 : 1,139,119.62 = 310,729.68 : x - Step 2: Convert to fraction form
759,693.56/1,139,119.62 = 310,729.68/x - Step 3: Cross multiply
759,693.56x = 1,139,119.62 × 310,729.68 - Step 4: Simplify right side
759,693.56x = 353,958,275,004.32 - Step 5: Solve for x
x = 353,958,275,004.32/759,693.56 - Step 6: Final answer
x = 465,922.44
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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.