Finding the Fourth Proportional to 691,728.64, 1,037,624.75 and 211,922.03
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Solution
The fourth proportional to 691,728.64, 1,037,624.75 and 211,922.03 is: 317,892.79
Step by Step Solution
- Step 1: Write the proportion equation
691,728.64 : 1,037,624.75 = 211,922.03 : x - Step 2: Convert to fraction form
691,728.64/1,037,624.75 = 211,922.03/x - Step 3: Cross multiply
691,728.64x = 1,037,624.75 × 211,922.03 - Step 4: Simplify right side
691,728.64x = 219,895,542,338.63 - Step 5: Solve for x
x = 219,895,542,338.63/691,728.64 - Step 6: Final answer
x = 317,892.79
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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.