Finding the Fourth Proportional to 408,586.99, 563,868.24 and 340,489.96
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Solution
The fourth proportional to 408,586.99, 563,868.24 and 340,489.96 is: 469,891.31
Step by Step Solution
- Step 1: Write the proportion equation
408,586.99 : 563,868.24 = 340,489.96 : x - Step 2: Convert to fraction form
408,586.99/563,868.24 = 340,489.96/x - Step 3: Cross multiply
408,586.99x = 563,868.24 × 340,489.96 - Step 4: Simplify right side
408,586.99x = 191,991,474,482.87 - Step 5: Solve for x
x = 191,991,474,482.87/408,586.99 - Step 6: Final answer
x = 469,891.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.