Finding the Fourth Proportional to 685,073.36, 1,027,708.49 and 211,795.63
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Solution
The fourth proportional to 685,073.36, 1,027,708.49 and 211,795.63 is: 317,723.88
Step by Step Solution
- Step 1: Write the proportion equation
685,073.36 : 1,027,708.49 = 211,795.63 : x - Step 2: Convert to fraction form
685,073.36/1,027,708.49 = 211,795.63/x - Step 3: Cross multiply
685,073.36x = 1,027,708.49 × 211,795.63 - Step 4: Simplify right side
685,073.36x = 217,664,167,095.90 - Step 5: Solve for x
x = 217,664,167,095.90/685,073.36 - Step 6: Final answer
x = 317,723.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.