Finding the Fourth Proportional to 676,439.10, 933,474.74 and 370,512.62
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Solution
The fourth proportional to 676,439.10, 933,474.74 and 370,512.62 is: 511,301.27
Step by Step Solution
- Step 1: Write the proportion equation
676,439.10 : 933,474.74 = 370,512.62 : x - Step 2: Convert to fraction form
676,439.10/933,474.74 = 370,512.62/x - Step 3: Cross multiply
676,439.10x = 933,474.74 × 370,512.62 - Step 4: Simplify right side
676,439.10x = 345,864,171,621.22 - Step 5: Solve for x
x = 345,864,171,621.22/676,439.10 - Step 6: Final answer
x = 511,301.27
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1.5x scale
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.