Finding the Fourth Proportional to 394,790.28, 544,316.85 and 329,473.14
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Solution
The fourth proportional to 394,790.28, 544,316.85 and 329,473.14 is: 454,260.88
Step by Step Solution
- Step 1: Write the proportion equation
394,790.28 : 544,316.85 = 329,473.14 : x - Step 2: Convert to fraction form
394,790.28/544,316.85 = 329,473.14/x - Step 3: Cross multiply
394,790.28x = 544,316.85 × 329,473.14 - Step 4: Simplify right side
394,790.28x = 179,337,781,724.41 - Step 5: Solve for x
x = 179,337,781,724.41/394,790.28 - Step 6: Final answer
x = 454,260.88
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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.