Finding the Fourth Proportional to 920,276.73, 1,380,349.08 and 289,370.97
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Solution
The fourth proportional to 920,276.73, 1,380,349.08 and 289,370.97 is: 434,035.70
Step by Step Solution
- Step 1: Write the proportion equation
920,276.73 : 1,380,349.08 = 289,370.97 : x - Step 2: Convert to fraction form
920,276.73/1,380,349.08 = 289,370.97/x - Step 3: Cross multiply
920,276.73x = 1,380,349.08 × 289,370.97 - Step 4: Simplify right side
920,276.73x = 399,432,952,218.21 - Step 5: Solve for x
x = 399,432,952,218.21/920,276.73 - Step 6: Final answer
x = 434,035.70
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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.