Finding the Fourth Proportional to 871,716.13, 1,307,603.35 and 303,102.12
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Solution
The fourth proportional to 871,716.13, 1,307,603.35 and 303,102.12 is: 454,663.32
Step by Step Solution
- Step 1: Write the proportion equation
871,716.13 : 1,307,603.35 = 303,102.12 : x - Step 2: Convert to fraction form
871,716.13/1,307,603.35 = 303,102.12/x - Step 3: Cross multiply
871,716.13x = 1,307,603.35 × 303,102.12 - Step 4: Simplify right side
871,716.13x = 396,337,345,431.22 - Step 5: Solve for x
x = 396,337,345,431.22/871,716.13 - Step 6: Final answer
x = 454,663.32
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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.