Finding the Fourth Proportional to 703,861.92, 971,329.68 and 381,571.92
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Solution
The fourth proportional to 703,861.92, 971,329.68 and 381,571.92 is: 526,569.37
Step by Step Solution
- Step 1: Write the proportion equation
703,861.92 : 971,329.68 = 381,571.92 : x - Step 2: Convert to fraction form
703,861.92/971,329.68 = 381,571.92/x - Step 3: Cross multiply
703,861.92x = 971,329.68 × 381,571.92 - Step 4: Simplify right side
703,861.92x = 370,632,130,950.59 - Step 5: Solve for x
x = 370,632,130,950.59/703,861.92 - Step 6: Final answer
x = 526,569.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.