Finding the Fourth Proportional to 586,631.21, 809,562.53 and 382,812.53
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Solution
The fourth proportional to 586,631.21, 809,562.53 and 382,812.53 is: 528,288.77
Step by Step Solution
- Step 1: Write the proportion equation
586,631.21 : 809,562.53 = 382,812.53 : x - Step 2: Convert to fraction form
586,631.21/809,562.53 = 382,812.53/x - Step 3: Cross multiply
586,631.21x = 809,562.53 × 382,812.53 - Step 4: Simplify right side
586,631.21x = 309,910,677,211.72 - Step 5: Solve for x
x = 309,910,677,211.72/586,631.21 - Step 6: Final answer
x = 528,288.77
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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.