Finding the Fourth Proportional to 756,918.24, 1,135,099.44 and 251,387.52
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Solution
The fourth proportional to 756,918.24, 1,135,099.44 and 251,387.52 is: 376,988.98
Step by Step Solution
- Step 1: Write the proportion equation
756,918.24 : 1,135,099.44 = 251,387.52 : x - Step 2: Convert to fraction form
756,918.24/1,135,099.44 = 251,387.52/x - Step 3: Cross multiply
756,918.24x = 1,135,099.44 × 251,387.52 - Step 4: Simplify right side
756,918.24x = 285,349,833,174.99 - Step 5: Solve for x
x = 285,349,833,174.99/756,918.24 - Step 6: Final answer
x = 376,988.98
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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.