Finding the Fourth Proportional to 906,757.05, 1,251,324.70 and 498,850.12
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Solution
The fourth proportional to 906,757.05, 1,251,324.70 and 498,850.12 is: 688,413.15
Step by Step Solution
- Step 1: Write the proportion equation
906,757.05 : 1,251,324.70 = 498,850.12 : x - Step 2: Convert to fraction form
906,757.05/1,251,324.70 = 498,850.12/x - Step 3: Cross multiply
906,757.05x = 1,251,324.70 × 498,850.12 - Step 4: Simplify right side
906,757.05x = 624,223,476,753.96 - Step 5: Solve for x
x = 624,223,476,753.96/906,757.05 - Step 6: Final answer
x = 688,413.15
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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.