Finding the Fourth Proportional to 394,865.31, 544,778.92 and 322,141.49
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Solution
The fourth proportional to 394,865.31, 544,778.92 and 322,141.49 is: 444,444.94
Step by Step Solution
- Step 1: Write the proportion equation
394,865.31 : 544,778.92 = 322,141.49 : x - Step 2: Convert to fraction form
394,865.31/544,778.92 = 322,141.49/x - Step 3: Cross multiply
394,865.31x = 544,778.92 × 322,141.49 - Step 4: Simplify right side
394,865.31x = 175,495,890,919.05 - Step 5: Solve for x
x = 175,495,890,919.05/394,865.31 - Step 6: Final answer
x = 444,444.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.