Finding the Fourth Proportional to 835,393.11, 1,152,843.35 and 453,419.97
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Solution
The fourth proportional to 835,393.11, 1,152,843.35 and 453,419.97 is: 625,720.02
Step by Step Solution
- Step 1: Write the proportion equation
835,393.11 : 1,152,843.35 = 453,419.97 : x - Step 2: Convert to fraction form
835,393.11/1,152,843.35 = 453,419.97/x - Step 3: Cross multiply
835,393.11x = 1,152,843.35 × 453,419.97 - Step 4: Simplify right side
835,393.11x = 522,722,194,904.60 - Step 5: Solve for x
x = 522,722,194,904.60/835,393.11 - Step 6: Final answer
x = 625,720.02
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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.