Finding the Fourth Proportional to 890,695.17, 1,229,126.41 and 482,788.26
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Solution
The fourth proportional to 890,695.17, 1,229,126.41 and 482,788.26 is: 666,229.95
Step by Step Solution
- Step 1: Write the proportion equation
890,695.17 : 1,229,126.41 = 482,788.26 : x - Step 2: Convert to fraction form
890,695.17/1,229,126.41 = 482,788.26/x - Step 3: Cross multiply
890,695.17x = 1,229,126.41 × 482,788.26 - Step 4: Simplify right side
890,695.17x = 593,407,800,803.95 - Step 5: Solve for x
x = 593,407,800,803.95/890,695.17 - Step 6: Final answer
x = 666,229.95
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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.