Finding the Fourth Proportional to 521,659.63, 782,463.66 and 305,640.73
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Solution
The fourth proportional to 521,659.63, 782,463.66 and 305,640.73 is: 458,445.99
Step by Step Solution
- Step 1: Write the proportion equation
521,659.63 : 782,463.66 = 305,640.73 : x - Step 2: Convert to fraction form
521,659.63/782,463.66 = 305,640.73/x - Step 3: Cross multiply
521,659.63x = 782,463.66 × 305,640.73 - Step 4: Simplify right side
521,659.63x = 239,152,764,240.87 - Step 5: Solve for x
x = 239,152,764,240.87/521,659.63 - Step 6: Final answer
x = 458,445.99
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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.