Finding the Fourth Proportional to 490,272.64, 735,410.88 and 324,023.68
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Solution
The fourth proportional to 490,272.64, 735,410.88 and 324,023.68 is: 486,036.79
Step by Step Solution
- Step 1: Write the proportion equation
490,272.64 : 735,410.88 = 324,023.68 : x - Step 2: Convert to fraction form
490,272.64/735,410.88 = 324,023.68/x - Step 3: Cross multiply
490,272.64x = 735,410.88 × 324,023.68 - Step 4: Simplify right side
490,272.64x = 238,290,539,649.64 - Step 5: Solve for x
x = 238,290,539,649.64/490,272.64 - Step 6: Final answer
x = 486,036.79
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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.