Finding the Fourth Proportional to 684,527.79, 1,026,793.43 and 279,719.99
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Solution
The fourth proportional to 684,527.79, 1,026,793.43 and 279,719.99 is: 419,580.69
Step by Step Solution
- Step 1: Write the proportion equation
684,527.79 : 1,026,793.43 = 279,719.99 : x - Step 2: Convert to fraction form
684,527.79/1,026,793.43 = 279,719.99/x - Step 3: Cross multiply
684,527.79x = 1,026,793.43 × 279,719.99 - Step 4: Simplify right side
684,527.79x = 287,214,641,439.10 - Step 5: Solve for x
x = 287,214,641,439.10/684,527.79 - Step 6: Final answer
x = 419,580.69
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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.