Finding the Fourth Proportional to 634,916.26, 876,201.06 and 363,028.42
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Solution
The fourth proportional to 634,916.26, 876,201.06 and 363,028.42 is: 500,988.72
Step by Step Solution
- Step 1: Write the proportion equation
634,916.26 : 876,201.06 = 363,028.42 : x - Step 2: Convert to fraction form
634,916.26/876,201.06 = 363,028.42/x - Step 3: Cross multiply
634,916.26x = 876,201.06 × 363,028.42 - Step 4: Simplify right side
634,916.26x = 318,085,886,414.13 - Step 5: Solve for x
x = 318,085,886,414.13/634,916.26 - Step 6: Final answer
x = 500,988.72
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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.