Finding the Fourth Proportional to 703,961.73, 971,523.36 and 398,102.49
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Solution
The fourth proportional to 703,961.73, 971,523.36 and 398,102.49 is: 549,413.20
Step by Step Solution
- Step 1: Write the proportion equation
703,961.73 : 971,523.36 = 398,102.49 : x - Step 2: Convert to fraction form
703,961.73/971,523.36 = 398,102.49/x - Step 3: Cross multiply
703,961.73x = 971,523.36 × 398,102.49 - Step 4: Simplify right side
703,961.73x = 386,765,868,709.17 - Step 5: Solve for x
x = 386,765,868,709.17/703,961.73 - Step 6: Final answer
x = 549,413.20
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.