Finding the Fourth Proportional to 708,075.40, 1,062,205.84 and 259,007.75
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Solution
The fourth proportional to 708,075.40, 1,062,205.84 and 259,007.75 is: 388,545.55
Step by Step Solution
- Step 1: Write the proportion equation
708,075.40 : 1,062,205.84 = 259,007.75 : x - Step 2: Convert to fraction form
708,075.40/1,062,205.84 = 259,007.75/x - Step 3: Cross multiply
708,075.40x = 1,062,205.84 × 259,007.75 - Step 4: Simplify right side
708,075.40x = 275,119,546,663.26 - Step 5: Solve for x
x = 275,119,546,663.26/708,075.40 - Step 6: Final answer
x = 388,545.55
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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.