Finding the Fourth Proportional to 828,861.98, 1,143,827.70 and 466,286
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Solution
The fourth proportional to 828,861.98, 1,143,827.70 and 466,286 is: 643,473.65
Step by Step Solution
- Step 1: Write the proportion equation
828,861.98 : 1,143,827.70 = 466,286 : x - Step 2: Convert to fraction form
828,861.98/1,143,827.70 = 466,286/x - Step 3: Cross multiply
828,861.98x = 1,143,827.70 × 466,286 - Step 4: Simplify right side
828,861.98x = 533,350,842,922.20 - Step 5: Solve for x
x = 533,350,842,922.20/828,861.98 - Step 6: Final answer
x = 643,473.65
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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.