Finding the Fourth Proportional to 804,202.21, 1,206,040.87 and 354,904.93
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Solution
The fourth proportional to 804,202.21, 1,206,040.87 and 354,904.93 is: 532,241.57
Step by Step Solution
- Step 1: Write the proportion equation
804,202.21 : 1,206,040.87 = 354,904.93 : x - Step 2: Convert to fraction form
804,202.21/1,206,040.87 = 354,904.93/x - Step 3: Cross multiply
804,202.21x = 1,206,040.87 × 354,904.93 - Step 4: Simplify right side
804,202.21x = 428,029,850,544.49 - Step 5: Solve for x
x = 428,029,850,544.49/804,202.21 - Step 6: Final answer
x = 532,241.57
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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.