Finding the Fourth Proportional to 465,986.52, 642,286.92 and 329,845.80
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Solution
The fourth proportional to 465,986.52, 642,286.92 and 329,845.80 is: 454,638.99
Step by Step Solution
- Step 1: Write the proportion equation
465,986.52 : 642,286.92 = 329,845.80 : x - Step 2: Convert to fraction form
465,986.52/642,286.92 = 329,845.80/x - Step 3: Cross multiply
465,986.52x = 642,286.92 × 329,845.80 - Step 4: Simplify right side
465,986.52x = 211,855,642,956.94 - Step 5: Solve for x
x = 211,855,642,956.94/465,986.52 - Step 6: Final answer
x = 454,638.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.