Finding the Fourth Proportional to 448,622.97, 618,943.36 and 287,566.82
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Solution
The fourth proportional to 448,622.97, 618,943.36 and 287,566.82 is: 396,742.00
Step by Step Solution
- Step 1: Write the proportion equation
448,622.97 : 618,943.36 = 287,566.82 : x - Step 2: Convert to fraction form
448,622.97/618,943.36 = 287,566.82/x - Step 3: Cross multiply
448,622.97x = 618,943.36 × 287,566.82 - Step 4: Simplify right side
448,622.97x = 177,987,573,795.32 - Step 5: Solve for x
x = 177,987,573,795.32/448,622.97 - Step 6: Final answer
x = 396,742.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.