Finding the Fourth Proportional to 527,313.96, 727,757.18 and 297,880.92
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Solution
The fourth proportional to 527,313.96, 727,757.18 and 297,880.92 is: 411,111.78
Step by Step Solution
- Step 1: Write the proportion equation
527,313.96 : 727,757.18 = 297,880.92 : x - Step 2: Convert to fraction form
527,313.96/727,757.18 = 297,880.92/x - Step 3: Cross multiply
527,313.96x = 727,757.18 × 297,880.92 - Step 4: Simplify right side
527,313.96x = 216,784,978,315.01 - Step 5: Solve for x
x = 216,784,978,315.01/527,313.96 - Step 6: Final answer
x = 411,111.78
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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.