Finding the Fourth Proportional to 880,623.29, 1,321,378.41 and 656,433.92
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Solution
The fourth proportional to 880,623.29, 1,321,378.41 and 656,433.92 is: 984,981.46
Step by Step Solution
- Step 1: Write the proportion equation
880,623.29 : 1,321,378.41 = 656,433.92 : x - Step 2: Convert to fraction form
880,623.29/1,321,378.41 = 656,433.92/x - Step 3: Cross multiply
880,623.29x = 1,321,378.41 × 656,433.92 - Step 4: Simplify right side
880,623.29x = 867,397,615,244.74 - Step 5: Solve for x
x = 867,397,615,244.74/880,623.29 - Step 6: Final answer
x = 984,981.46
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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.