Finding the Fourth Proportional to 857,372.20, 1,285,795.60 and 592,832.68
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Solution
The fourth proportional to 857,372.20, 1,285,795.60 and 592,832.68 is: 889,067.38
Step by Step Solution
- Step 1: Write the proportion equation
857,372.20 : 1,285,795.60 = 592,832.68 : x - Step 2: Convert to fraction form
857,372.20/1,285,795.60 = 592,832.68/x - Step 3: Cross multiply
857,372.20x = 1,285,795.60 × 592,832.68 - Step 4: Simplify right side
857,372.20x = 762,261,651,480.21 - Step 5: Solve for x
x = 762,261,651,480.21/857,372.20 - Step 6: Final answer
x = 889,067.38
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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.