Finding the Fourth Proportional to 744,279.68, 1,116,251.34 and 211,788.92
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Solution
The fourth proportional to 744,279.68, 1,116,251.34 and 211,788.92 is: 317,635.52
Step by Step Solution
- Step 1: Write the proportion equation
744,279.68 : 1,116,251.34 = 211,788.92 : x - Step 2: Convert to fraction form
744,279.68/1,116,251.34 = 211,788.92/x - Step 3: Cross multiply
744,279.68x = 1,116,251.34 × 211,788.92 - Step 4: Simplify right side
744,279.68x = 236,409,665,747.15 - Step 5: Solve for x
x = 236,409,665,747.15/744,279.68 - Step 6: Final answer
x = 317,635.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.