Finding the Fourth Proportional to 959,728.92, 1,324,421.46 and 530,007.18
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Solution
The fourth proportional to 959,728.92, 1,324,421.46 and 530,007.18 is: 731,407.45
Step by Step Solution
- Step 1: Write the proportion equation
959,728.92 : 1,324,421.46 = 530,007.18 : x - Step 2: Convert to fraction form
959,728.92/1,324,421.46 = 530,007.18/x - Step 3: Cross multiply
959,728.92x = 1,324,421.46 × 530,007.18 - Step 4: Simplify right side
959,728.92x = 701,952,883,146.08 - Step 5: Solve for x
x = 701,952,883,146.08/959,728.92 - Step 6: Final answer
x = 731,407.45
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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.