Finding the Fourth Proportional to 394,542.96, 591,125.40 and 328,408.08
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Solution
The fourth proportional to 394,542.96, 591,125.40 and 328,408.08 is: 492,038.58
Step by Step Solution
- Step 1: Write the proportion equation
394,542.96 : 591,125.40 = 328,408.08 : x - Step 2: Convert to fraction form
394,542.96/591,125.40 = 328,408.08/x - Step 3: Cross multiply
394,542.96x = 591,125.40 × 328,408.08 - Step 4: Simplify right side
394,542.96x = 194,130,357,653.23 - Step 5: Solve for x
x = 194,130,357,653.23/394,542.96 - Step 6: Final answer
x = 492,038.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.