Finding the Fourth Proportional to 725,261.62, 1,087,516.96 and 325,558.21
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Solution
The fourth proportional to 725,261.62, 1,087,516.96 and 325,558.21 is: 488,168.77
Step by Step Solution
- Step 1: Write the proportion equation
725,261.62 : 1,087,516.96 = 325,558.21 : x - Step 2: Convert to fraction form
725,261.62/1,087,516.96 = 325,558.21/x - Step 3: Cross multiply
725,261.62x = 1,087,516.96 × 325,558.21 - Step 4: Simplify right side
725,261.62x = 354,050,074,842.24 - Step 5: Solve for x
x = 354,050,074,842.24/725,261.62 - Step 6: Final answer
x = 488,168.77
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1.5x scale
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.