Finding the Fourth Proportional to 751,655.49, 1,127,310.70 and 448,135.53
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Solution
The fourth proportional to 751,655.49, 1,127,310.70 and 448,135.53 is: 672,100.43
Step by Step Solution
- Step 1: Write the proportion equation
751,655.49 : 1,127,310.70 = 448,135.53 : x - Step 2: Convert to fraction form
751,655.49/1,127,310.70 = 448,135.53/x - Step 3: Cross multiply
751,655.49x = 1,127,310.70 × 448,135.53 - Step 4: Simplify right side
751,655.49x = 505,187,978,019.17 - Step 5: Solve for x
x = 505,187,978,019.17/751,655.49 - Step 6: Final answer
x = 672,100.43
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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.