Finding the Fourth Proportional to 923,245.21, 1,274,290.94 and 541,395.01
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Solution
The fourth proportional to 923,245.21, 1,274,290.94 and 541,395.01 is: 747,249.75
Step by Step Solution
- Step 1: Write the proportion equation
923,245.21 : 1,274,290.94 = 541,395.01 : x - Step 2: Convert to fraction form
923,245.21/1,274,290.94 = 541,395.01/x - Step 3: Cross multiply
923,245.21x = 1,274,290.94 × 541,395.01 - Step 4: Simplify right side
923,245.21x = 689,894,756,204.21 - Step 5: Solve for x
x = 689,894,756,204.21/923,245.21 - Step 6: Final answer
x = 747,249.75
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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.