Finding the Fourth Proportional to 895,863.75, 1,236,291.98 and 493,455.75
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Solution
The fourth proportional to 895,863.75, 1,236,291.98 and 493,455.75 is: 680,968.94
Step by Step Solution
- Step 1: Write the proportion equation
895,863.75 : 1,236,291.98 = 493,455.75 : x - Step 2: Convert to fraction form
895,863.75/1,236,291.98 = 493,455.75/x - Step 3: Cross multiply
895,863.75x = 1,236,291.98 × 493,455.75 - Step 4: Simplify right side
895,863.75x = 610,055,383,742.61 - Step 5: Solve for x
x = 610,055,383,742.61/895,863.75 - Step 6: Final answer
x = 680,968.94
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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.