Finding the Fourth Proportional to 725,979.44, 1,089,021 and 193,497.68
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Solution
The fourth proportional to 725,979.44, 1,089,021 and 193,497.68 is: 290,260.34
Step by Step Solution
- Step 1: Write the proportion equation
725,979.44 : 1,089,021 = 193,497.68 : x - Step 2: Convert to fraction form
725,979.44/1,089,021 = 193,497.68/x - Step 3: Cross multiply
725,979.44x = 1,089,021 × 193,497.68 - Step 4: Simplify right side
725,979.44x = 210,723,036,971.28 - Step 5: Solve for x
x = 210,723,036,971.28/725,979.44 - Step 6: Final answer
x = 290,260.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.