Finding the Fourth Proportional to 826,968.78, 1,240,229.12 and 227,787.44
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Solution
The fourth proportional to 826,968.78, 1,240,229.12 and 227,787.44 is: 341,619.45
Step by Step Solution
- Step 1: Write the proportion equation
826,968.78 : 1,240,229.12 = 227,787.44 : x - Step 2: Convert to fraction form
826,968.78/1,240,229.12 = 227,787.44/x - Step 3: Cross multiply
826,968.78x = 1,240,229.12 × 227,787.44 - Step 4: Simplify right side
826,968.78x = 282,508,616,258.25 - Step 5: Solve for x
x = 282,508,616,258.25/826,968.78 - Step 6: Final answer
x = 341,619.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.