Finding the Fourth Proportional to 835,186.74, 1,152,560.84 and 453,213.55
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Solution
The fourth proportional to 835,186.74, 1,152,560.84 and 453,213.55 is: 625,436.40
Step by Step Solution
- Step 1: Write the proportion equation
835,186.74 : 1,152,560.84 = 453,213.55 : x - Step 2: Convert to fraction form
835,186.74/1,152,560.84 = 453,213.55/x - Step 3: Cross multiply
835,186.74x = 1,152,560.84 × 453,213.55 - Step 4: Simplify right side
835,186.74x = 522,356,189,887.38 - Step 5: Solve for x
x = 522,356,189,887.38/835,186.74 - Step 6: Final answer
x = 625,436.40
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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.