Finding the Fourth Proportional to 893,344.50, 1,339,728.79 and 294,162.99
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Solution
The fourth proportional to 893,344.50, 1,339,728.79 and 294,162.99 is: 441,149.67
Step by Step Solution
- Step 1: Write the proportion equation
893,344.50 : 1,339,728.79 = 294,162.99 : x - Step 2: Convert to fraction form
893,344.50/1,339,728.79 = 294,162.99/x - Step 3: Cross multiply
893,344.50x = 1,339,728.79 × 294,162.99 - Step 4: Simplify right side
893,344.50x = 394,098,625,184.67 - Step 5: Solve for x
x = 394,098,625,184.67/893,344.50 - Step 6: Final answer
x = 441,149.67
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1.5x scale
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.