Finding the Fourth Proportional to 982,331.79, 1,473,497.74 and 272,359.84
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Solution
The fourth proportional to 982,331.79, 1,473,497.74 and 272,359.84 is: 408,539.78
Step by Step Solution
- Step 1: Write the proportion equation
982,331.79 : 1,473,497.74 = 272,359.84 : x - Step 2: Convert to fraction form
982,331.79/1,473,497.74 = 272,359.84/x - Step 3: Cross multiply
982,331.79x = 1,473,497.74 × 272,359.84 - Step 4: Simplify right side
982,331.79x = 401,321,608,706.76 - Step 5: Solve for x
x = 401,321,608,706.76/982,331.79 - Step 6: Final answer
x = 408,539.78
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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.