Finding the Fourth Proportional to 807,643.97, 1,114,556.00 and 445,080.82
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Solution
The fourth proportional to 807,643.97, 1,114,556.00 and 445,080.82 is: 614,215.56
Step by Step Solution
- Step 1: Write the proportion equation
807,643.97 : 1,114,556.00 = 445,080.82 : x - Step 2: Convert to fraction form
807,643.97/1,114,556.00 = 445,080.82/x - Step 3: Cross multiply
807,643.97x = 1,114,556.00 × 445,080.82 - Step 4: Simplify right side
807,643.97x = 496,067,490,617.74 - Step 5: Solve for x
x = 496,067,490,617.74/807,643.97 - Step 6: Final answer
x = 614,215.56
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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.