Finding the Fourth Proportional to 756,411.72, 1,043,852.99 and 416,879.97
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Solution
The fourth proportional to 756,411.72, 1,043,852.99 and 416,879.97 is: 575,297.01
Step by Step Solution
- Step 1: Write the proportion equation
756,411.72 : 1,043,852.99 = 416,879.97 : x - Step 2: Convert to fraction form
756,411.72/1,043,852.99 = 416,879.97/x - Step 3: Cross multiply
756,411.72x = 1,043,852.99 × 416,879.97 - Step 4: Simplify right side
756,411.72x = 435,161,403,155.61 - Step 5: Solve for x
x = 435,161,403,155.61/756,411.72 - Step 6: Final answer
x = 575,297.01
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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.