Finding the Fourth Proportional to 931,919.23, 1,286,481.81 and 702,569.74
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Solution
The fourth proportional to 931,919.23, 1,286,481.81 and 702,569.74 is: 969,872.88
Step by Step Solution
- Step 1: Write the proportion equation
931,919.23 : 1,286,481.81 = 702,569.74 : x - Step 2: Convert to fraction form
931,919.23/1,286,481.81 = 702,569.74/x - Step 3: Cross multiply
931,919.23x = 1,286,481.81 × 702,569.74 - Step 4: Simplify right side
931,919.23x = 903,843,190,766.43 - Step 5: Solve for x
x = 903,843,190,766.43/931,919.23 - Step 6: Final answer
x = 969,872.88
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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.