Finding the Fourth Proportional to 895,861.05, 1,236,289.97 and 487,961.63
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Solution
The fourth proportional to 895,861.05, 1,236,289.97 and 487,961.63 is: 673,387.99
Step by Step Solution
- Step 1: Write the proportion equation
895,861.05 : 1,236,289.97 = 487,961.63 : x - Step 2: Convert to fraction form
895,861.05/1,236,289.97 = 487,961.63/x - Step 3: Cross multiply
895,861.05x = 1,236,289.97 × 487,961.63 - Step 4: Simplify right side
895,861.05x = 603,262,068,913.85 - Step 5: Solve for x
x = 603,262,068,913.85/895,861.05 - Step 6: Final answer
x = 673,387.99
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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.