Finding the Fourth Proportional to 756,694.23, 1,043,647.55 and 484,787.42
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Solution
The fourth proportional to 756,694.23, 1,043,647.55 and 484,787.42 is: 668,628.32
Step by Step Solution
- Step 1: Write the proportion equation
756,694.23 : 1,043,647.55 = 484,787.42 : x - Step 2: Convert to fraction form
756,694.23/1,043,647.55 = 484,787.42/x - Step 3: Cross multiply
756,694.23x = 1,043,647.55 × 484,787.42 - Step 4: Simplify right side
756,694.23x = 505,947,195,511.65 - Step 5: Solve for x
x = 505,947,195,511.65/756,694.23 - Step 6: Final answer
x = 668,628.32
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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.