Finding the Fourth Proportional to 546,717.62, 754,470.63 and 305,000.19
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Solution
The fourth proportional to 546,717.62, 754,470.63 and 305,000.19 is: 420,900.44
Step by Step Solution
- Step 1: Write the proportion equation
546,717.62 : 754,470.63 = 305,000.19 : x - Step 2: Convert to fraction form
546,717.62/754,470.63 = 305,000.19/x - Step 3: Cross multiply
546,717.62x = 754,470.63 × 305,000.19 - Step 4: Simplify right side
546,717.62x = 230,113,685,499.42 - Step 5: Solve for x
x = 230,113,685,499.42/546,717.62 - Step 6: Final answer
x = 420,900.44
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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.