Finding the Fourth Proportional to 728,564.07, 1,092,184.47 and 254,991.09
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Solution
The fourth proportional to 728,564.07, 1,092,184.47 and 254,991.09 is: 382,255.07
Step by Step Solution
- Step 1: Write the proportion equation
728,564.07 : 1,092,184.47 = 254,991.09 : x - Step 2: Convert to fraction form
728,564.07/1,092,184.47 = 254,991.09/x - Step 3: Cross multiply
728,564.07x = 1,092,184.47 × 254,991.09 - Step 4: Simplify right side
728,564.07x = 278,497,308,486.37 - Step 5: Solve for x
x = 278,497,308,486.37/728,564.07 - Step 6: Final answer
x = 382,255.07
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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.