Finding the Fourth Proportional to 586,635.68, 809,569.36 and 331,986.80
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Solution
The fourth proportional to 586,635.68, 809,569.36 and 331,986.80 is: 458,148.64
Step by Step Solution
- Step 1: Write the proportion equation
586,635.68 : 809,569.36 = 331,986.80 : x - Step 2: Convert to fraction form
586,635.68/809,569.36 = 331,986.80/x - Step 3: Cross multiply
586,635.68x = 809,569.36 × 331,986.80 - Step 4: Simplify right side
586,635.68x = 268,766,341,204.45 - Step 5: Solve for x
x = 268,766,341,204.45/586,635.68 - Step 6: Final answer
x = 458,148.64
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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.