Finding the Fourth Proportional to 756,782.18, 1,044,786.57 and 502,481.06
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Solution
The fourth proportional to 756,782.18, 1,044,786.57 and 502,481.06 is: 693,707.49
Step by Step Solution
- Step 1: Write the proportion equation
756,782.18 : 1,044,786.57 = 502,481.06 : x - Step 2: Convert to fraction form
756,782.18/1,044,786.57 = 502,481.06/x - Step 3: Cross multiply
756,782.18x = 1,044,786.57 × 502,481.06 - Step 4: Simplify right side
756,782.18x = 524,985,463,167.36 - Step 5: Solve for x
x = 524,985,463,167.36/756,782.18 - Step 6: Final answer
x = 693,707.49
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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.