Finding the Fourth Proportional to 835,213.12, 1,152,597.12 and 453,239.80
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Solution
The fourth proportional to 835,213.12, 1,152,597.12 and 453,239.80 is: 625,472.56
Step by Step Solution
- Step 1: Write the proportion equation
835,213.12 : 1,152,597.12 = 453,239.80 : x - Step 2: Convert to fraction form
835,213.12/1,152,597.12 = 453,239.80/x - Step 3: Cross multiply
835,213.12x = 1,152,597.12 × 453,239.80 - Step 4: Simplify right side
835,213.12x = 522,402,888,149.38 - Step 5: Solve for x
x = 522,402,888,149.38/835,213.12 - Step 6: Final answer
x = 625,472.56
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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.