Finding the Fourth Proportional to 875,515.32, 1,208,194.98 and 493,542.42
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Solution
The fourth proportional to 875,515.32, 1,208,194.98 and 493,542.42 is: 681,079.43
Step by Step Solution
- Step 1: Write the proportion equation
875,515.32 : 1,208,194.98 = 493,542.42 : x - Step 2: Convert to fraction form
875,515.32/1,208,194.98 = 493,542.42/x - Step 3: Cross multiply
875,515.32x = 1,208,194.98 × 493,542.42 - Step 4: Simplify right side
875,515.32x = 596,295,474,261.05 - Step 5: Solve for x
x = 596,295,474,261.05/875,515.32 - Step 6: Final answer
x = 681,079.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.