Finding the Fourth Proportional to 837,935.92, 1,257,100.74 and 276,970.42
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Solution
The fourth proportional to 837,935.92, 1,257,100.74 and 276,970.42 is: 415,520.70
Step by Step Solution
- Step 1: Write the proportion equation
837,935.92 : 1,257,100.74 = 276,970.42 : x - Step 2: Convert to fraction form
837,935.92/1,257,100.74 = 276,970.42/x - Step 3: Cross multiply
837,935.92x = 1,257,100.74 × 276,970.42 - Step 4: Simplify right side
837,935.92x = 348,179,719,940.11 - Step 5: Solve for x
x = 348,179,719,940.11/837,935.92 - Step 6: Final answer
x = 415,520.70
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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.