Finding the Fourth Proportional to 728,117.97, 1,092,668.81 and 254,807.43
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Solution
The fourth proportional to 728,117.97, 1,092,668.81 and 254,807.43 is: 382,383.27
Step by Step Solution
- Step 1: Write the proportion equation
728,117.97 : 1,092,668.81 = 254,807.43 : x - Step 2: Convert to fraction form
728,117.97/1,092,668.81 = 254,807.43/x - Step 3: Cross multiply
728,117.97x = 1,092,668.81 × 254,807.43 - Step 4: Simplify right side
728,117.97x = 278,420,130,043.22 - Step 5: Solve for x
x = 278,420,130,043.22/728,117.97 - Step 6: Final answer
x = 382,383.27
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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.