Finding the Fourth Proportional to 945,972.91, 1,305,473.16 and 538,064.26
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Solution
The fourth proportional to 945,972.91, 1,305,473.16 and 538,064.26 is: 742,546.05
Step by Step Solution
- Step 1: Write the proportion equation
945,972.91 : 1,305,473.16 = 538,064.26 : x - Step 2: Convert to fraction form
945,972.91/1,305,473.16 = 538,064.26/x - Step 3: Cross multiply
945,972.91x = 1,305,473.16 × 538,064.26 - Step 4: Simplify right side
945,972.91x = 702,428,449,785.26 - Step 5: Solve for x
x = 702,428,449,785.26/945,972.91 - Step 6: Final answer
x = 742,546.05
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.