Finding the Fourth Proportional to 783,524.24, 1,175,286.40 and 222,485.84
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Solution
The fourth proportional to 783,524.24, 1,175,286.40 and 222,485.84 is: 333,728.77
Step by Step Solution
- Step 1: Write the proportion equation
783,524.24 : 1,175,286.40 = 222,485.84 : x - Step 2: Convert to fraction form
783,524.24/1,175,286.40 = 222,485.84/x - Step 3: Cross multiply
783,524.24x = 1,175,286.40 × 222,485.84 - Step 4: Simplify right side
783,524.24x = 261,484,581,944.58 - Step 5: Solve for x
x = 261,484,581,944.58/783,524.24 - Step 6: Final answer
x = 333,728.77
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1.5x scale
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.