Finding the Fourth Proportional to 441,998.40, 663,334.56 and 323,971.68
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Solution
The fourth proportional to 441,998.40, 663,334.56 and 323,971.68 is: 486,204.50
Step by Step Solution
- Step 1: Write the proportion equation
441,998.40 : 663,334.56 = 323,971.68 : x - Step 2: Convert to fraction form
441,998.40/663,334.56 = 323,971.68/x - Step 3: Cross multiply
441,998.40x = 663,334.56 × 323,971.68 - Step 4: Simplify right side
441,998.40x = 214,901,611,805.26 - Step 5: Solve for x
x = 214,901,611,805.26/441,998.40 - Step 6: Final answer
x = 486,204.50
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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.