Finding the Fourth Proportional to 664,424.10, 995,980.05 and 327,188.70
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Solution
The fourth proportional to 664,424.10, 995,980.05 and 327,188.70 is: 490,459.96
Step by Step Solution
- Step 1: Write the proportion equation
664,424.10 : 995,980.05 = 327,188.70 : x - Step 2: Convert to fraction form
664,424.10/995,980.05 = 327,188.70/x - Step 3: Cross multiply
664,424.10x = 995,980.05 × 327,188.70 - Step 4: Simplify right side
664,424.10x = 325,873,417,785.44 - Step 5: Solve for x
x = 325,873,417,785.44/664,424.10 - Step 6: Final answer
x = 490,459.96
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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.