Finding the Fourth Proportional to 561,122.44, 774,353.06 and 306,473.63
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Solution
The fourth proportional to 561,122.44, 774,353.06 and 306,473.63 is: 422,935.84
Step by Step Solution
- Step 1: Write the proportion equation
561,122.44 : 774,353.06 = 306,473.63 : x - Step 2: Convert to fraction form
561,122.44/774,353.06 = 306,473.63/x - Step 3: Cross multiply
561,122.44x = 774,353.06 × 306,473.63 - Step 4: Simplify right side
561,122.44x = 237,318,790,668.87 - Step 5: Solve for x
x = 237,318,790,668.87/561,122.44 - Step 6: Final answer
x = 422,935.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.