Finding the Fourth Proportional to 677,769.63, 1,016,661.75 and 204,459.09
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Solution
The fourth proportional to 677,769.63, 1,016,661.75 and 204,459.09 is: 306,690.84
Step by Step Solution
- Step 1: Write the proportion equation
677,769.63 : 1,016,661.75 = 204,459.09 : x - Step 2: Convert to fraction form
677,769.63/1,016,661.75 = 204,459.09/x - Step 3: Cross multiply
677,769.63x = 1,016,661.75 × 204,459.09 - Step 4: Simplify right side
677,769.63x = 207,865,736,242.81 - Step 5: Solve for x
x = 207,865,736,242.81/677,769.63 - Step 6: Final answer
x = 306,690.84
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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.