Finding the Fourth Proportional to 518,601.53, 777,894.56 and 316,257.09
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Solution
The fourth proportional to 518,601.53, 777,894.56 and 316,257.09 is: 474,380.92
Step by Step Solution
- Step 1: Write the proportion equation
518,601.53 : 777,894.56 = 316,257.09 : x - Step 2: Convert to fraction form
518,601.53/777,894.56 = 316,257.09/x - Step 3: Cross multiply
518,601.53x = 777,894.56 × 316,257.09 - Step 4: Simplify right side
518,601.53x = 246,014,669,872.43 - Step 5: Solve for x
x = 246,014,669,872.43/518,601.53 - Step 6: Final answer
x = 474,380.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.