Finding the Fourth Proportional to 756,390.96, 1,043,414.06 and 484,165.96
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Solution
The fourth proportional to 756,390.96, 1,043,414.06 and 484,165.96 is: 667,889.48
Step by Step Solution
- Step 1: Write the proportion equation
756,390.96 : 1,043,414.06 = 484,165.96 : x - Step 2: Convert to fraction form
756,390.96/1,043,414.06 = 484,165.96/x - Step 3: Cross multiply
756,390.96x = 1,043,414.06 × 484,165.96 - Step 4: Simplify right side
756,390.96x = 505,185,565,008.03 - Step 5: Solve for x
x = 505,185,565,008.03/756,390.96 - Step 6: Final answer
x = 667,889.48
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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.