Finding the Fourth Proportional to 890,695.01, 1,229,126.19 and 482,788.09
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Solution
The fourth proportional to 890,695.01, 1,229,126.19 and 482,788.09 is: 666,229.72
Step by Step Solution
- Step 1: Write the proportion equation
890,695.01 : 1,229,126.19 = 482,788.09 : x - Step 2: Convert to fraction form
890,695.01/1,229,126.19 = 482,788.09/x - Step 3: Cross multiply
890,695.01x = 1,229,126.19 × 482,788.09 - Step 4: Simplify right side
890,695.01x = 593,407,485,365.03 - Step 5: Solve for x
x = 593,407,485,365.03/890,695.01 - Step 6: Final answer
x = 666,229.72
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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.