Finding the Fourth Proportional to 771,288.48, 1,156,757.76 and 272,652.48
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Solution
The fourth proportional to 771,288.48, 1,156,757.76 and 272,652.48 is: 408,916.87
Step by Step Solution
- Step 1: Write the proportion equation
771,288.48 : 1,156,757.76 = 272,652.48 : x - Step 2: Convert to fraction form
771,288.48/1,156,757.76 = 272,652.48/x - Step 3: Cross multiply
771,288.48x = 1,156,757.76 × 272,652.48 - Step 4: Simplify right side
771,288.48x = 315,392,872,023.25 - Step 5: Solve for x
x = 315,392,872,023.25/771,288.48 - Step 6: Final answer
x = 408,916.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.