Finding the Fourth Proportional to 756,695.73, 1,043,649.62 and 484,788.92
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Solution
The fourth proportional to 756,695.73, 1,043,649.62 and 484,788.92 is: 668,630.39
Step by Step Solution
- Step 1: Write the proportion equation
756,695.73 : 1,043,649.62 = 484,788.92 : x - Step 2: Convert to fraction form
756,695.73/1,043,649.62 = 484,788.92/x - Step 3: Cross multiply
756,695.73x = 1,043,649.62 × 484,788.92 - Step 4: Simplify right side
756,695.73x = 505,949,764,496.02 - Step 5: Solve for x
x = 505,949,764,496.02/756,695.73 - Step 6: Final answer
x = 668,630.39
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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.