Finding the Fourth Proportional to 725,990.99, 1,001,868.39 and 403,694.19
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Solution
The fourth proportional to 725,990.99, 1,001,868.39 and 403,694.19 is: 557,098.44
Step by Step Solution
- Step 1: Write the proportion equation
725,990.99 : 1,001,868.39 = 403,694.19 : x - Step 2: Convert to fraction form
725,990.99/1,001,868.39 = 403,694.19/x - Step 3: Cross multiply
725,990.99x = 1,001,868.39 × 403,694.19 - Step 4: Simplify right side
725,990.99x = 404,448,448,187.65 - Step 5: Solve for x
x = 404,448,448,187.65/725,990.99 - Step 6: Final answer
x = 557,098.44
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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.