Finding the Fourth Proportional to 929,092.21, 1,392,697.09 and 629,603.08
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Solution
The fourth proportional to 929,092.21, 1,392,697.09 and 629,603.08 is: 943,766.80
Step by Step Solution
- Step 1: Write the proportion equation
929,092.21 : 1,392,697.09 = 629,603.08 : x - Step 2: Convert to fraction form
929,092.21/1,392,697.09 = 629,603.08/x - Step 3: Cross multiply
929,092.21x = 1,392,697.09 × 629,603.08 - Step 4: Simplify right side
929,092.21x = 876,846,377,371.04 - Step 5: Solve for x
x = 876,846,377,371.04/929,092.21 - Step 6: Final answer
x = 943,766.80
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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.