Finding the Fourth Proportional to 868,506.16, 1,198,586.35 and 481,313.44
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Solution
The fourth proportional to 868,506.16, 1,198,586.35 and 481,313.44 is: 664,239.05
Step by Step Solution
- Step 1: Write the proportion equation
868,506.16 : 1,198,586.35 = 481,313.44 : x - Step 2: Convert to fraction form
868,506.16/1,198,586.35 = 481,313.44/x - Step 3: Cross multiply
868,506.16x = 1,198,586.35 × 481,313.44 - Step 4: Simplify right side
868,506.16x = 576,895,710,856.05 - Step 5: Solve for x
x = 576,895,710,856.05/868,506.16 - Step 6: Final answer
x = 664,239.05
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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.