Finding the Fourth Proportional to 771,472.68, 1,064,625.30 and 431,946.60
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Solution
The fourth proportional to 771,472.68, 1,064,625.30 and 431,946.60 is: 596,082.39
Step by Step Solution
- Step 1: Write the proportion equation
771,472.68 : 1,064,625.30 = 431,946.60 : x - Step 2: Convert to fraction form
771,472.68/1,064,625.30 = 431,946.60/x - Step 3: Cross multiply
771,472.68x = 1,064,625.30 × 431,946.60 - Step 4: Simplify right side
771,472.68x = 459,861,278,608.98 - Step 5: Solve for x
x = 459,861,278,608.98/771,472.68 - Step 6: Final answer
x = 596,082.39
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1.5x scale
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.