Finding the Fourth Proportional to 623,562.26, 859,942.05 and 408,624.26
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Solution
The fourth proportional to 623,562.26, 859,942.05 and 408,624.26 is: 563,525.42
Step by Step Solution
- Step 1: Write the proportion equation
623,562.26 : 859,942.05 = 408,624.26 : x - Step 2: Convert to fraction form
623,562.26/859,942.05 = 408,624.26/x - Step 3: Cross multiply
623,562.26x = 859,942.05 × 408,624.26 - Step 4: Simplify right side
623,562.26x = 351,393,183,824.13 - Step 5: Solve for x
x = 351,393,183,824.13/623,562.26 - Step 6: Final answer
x = 563,525.42
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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.