Finding the Fourth Proportional to 681,276.07, 940,115.97 and 409,182.28
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Solution
The fourth proportional to 681,276.07, 940,115.97 and 409,182.28 is: 564,644.51
Step by Step Solution
- Step 1: Write the proportion equation
681,276.07 : 940,115.97 = 409,182.28 : x - Step 2: Convert to fraction form
681,276.07/940,115.97 = 409,182.28/x - Step 3: Cross multiply
681,276.07x = 940,115.97 × 409,182.28 - Step 4: Simplify right side
681,276.07x = 384,678,796,069.01 - Step 5: Solve for x
x = 384,678,796,069.01/681,276.07 - Step 6: Final answer
x = 564,644.51
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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.