Finding the Fourth Proportional to 955,599.96, 1,318,728.13 and 525,880.09
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Solution
The fourth proportional to 955,599.96, 1,318,728.13 and 525,880.09 is: 725,714.62
Step by Step Solution
- Step 1: Write the proportion equation
955,599.96 : 1,318,728.13 = 525,880.09 : x - Step 2: Convert to fraction form
955,599.96/1,318,728.13 = 525,880.09/x - Step 3: Cross multiply
955,599.96x = 1,318,728.13 × 525,880.09 - Step 4: Simplify right side
955,599.96x = 693,492,861,096.29 - Step 5: Solve for x
x = 693,492,861,096.29/955,599.96 - Step 6: Final answer
x = 725,714.62
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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.