Finding the Fourth Proportional to 946,439.19, 1,306,236.06 and 601,915.91
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Solution
The fourth proportional to 946,439.19, 1,306,236.06 and 601,915.91 is: 830,739.33
Step by Step Solution
- Step 1: Write the proportion equation
946,439.19 : 1,306,236.06 = 601,915.91 : x - Step 2: Convert to fraction form
946,439.19/1,306,236.06 = 601,915.91/x - Step 3: Cross multiply
946,439.19x = 1,306,236.06 × 601,915.91 - Step 4: Simplify right side
946,439.19x = 786,244,260,198.53 - Step 5: Solve for x
x = 786,244,260,198.53/946,439.19 - Step 6: Final answer
x = 830,739.33
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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.