Finding the Fourth Proportional to 448,465.17, 621,553.41 and 440,067.09
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Solution
The fourth proportional to 448,465.17, 621,553.41 and 440,067.09 is: 609,914.03
Step by Step Solution
- Step 1: Write the proportion equation
448,465.17 : 621,553.41 = 440,067.09 : x - Step 2: Convert to fraction form
448,465.17/621,553.41 = 440,067.09/x - Step 3: Cross multiply
448,465.17x = 621,553.41 × 440,067.09 - Step 4: Simplify right side
448,465.17x = 273,525,200,418.28 - Step 5: Solve for x
x = 273,525,200,418.28/448,465.17 - Step 6: Final answer
x = 609,914.03
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.