Finding the Fourth Proportional to 874,452.03, 1,312,059.24 and 306,240.75
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Solution
The fourth proportional to 874,452.03, 1,312,059.24 and 306,240.75 is: 459,494.62
Step by Step Solution
- Step 1: Write the proportion equation
874,452.03 : 1,312,059.24 = 306,240.75 : x - Step 2: Convert to fraction form
874,452.03/1,312,059.24 = 306,240.75/x - Step 3: Cross multiply
874,452.03x = 1,312,059.24 × 306,240.75 - Step 4: Simplify right side
874,452.03x = 401,806,005,702.03 - Step 5: Solve for x
x = 401,806,005,702.03/874,452.03 - Step 6: Final answer
x = 459,494.62
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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.