Finding the Fourth Proportional to 659,544.24, 989,313.62 and 280,405.92
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Solution
The fourth proportional to 659,544.24, 989,313.62 and 280,405.92 is: 420,607.72
Step by Step Solution
- Step 1: Write the proportion equation
659,544.24 : 989,313.62 = 280,405.92 : x - Step 2: Convert to fraction form
659,544.24/989,313.62 = 280,405.92/x - Step 3: Cross multiply
659,544.24x = 989,313.62 × 280,405.92 - Step 4: Simplify right side
659,544.24x = 277,409,395,784.63 - Step 5: Solve for x
x = 277,409,395,784.63/659,544.24 - Step 6: Final answer
x = 420,607.72
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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.