Finding the Fourth Proportional to 684,257.09, 1,025,750.52 and 324,596.70
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Solution
The fourth proportional to 684,257.09, 1,025,750.52 and 324,596.70 is: 486,593.77
Step by Step Solution
- Step 1: Write the proportion equation
684,257.09 : 1,025,750.52 = 324,596.70 : x - Step 2: Convert to fraction form
684,257.09/1,025,750.52 = 324,596.70/x - Step 3: Cross multiply
684,257.09x = 1,025,750.52 × 324,596.70 - Step 4: Simplify right side
684,257.09x = 332,955,233,815.28 - Step 5: Solve for x
x = 332,955,233,815.28/684,257.09 - Step 6: Final answer
x = 486,593.77
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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.