Finding the Fourth Proportional to 753,310.53, 1,039,716.81 and 426,682.08
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Solution
The fourth proportional to 753,310.53, 1,039,716.81 and 426,682.08 is: 588,905.26
Step by Step Solution
- Step 1: Write the proportion equation
753,310.53 : 1,039,716.81 = 426,682.08 : x - Step 2: Convert to fraction form
753,310.53/1,039,716.81 = 426,682.08/x - Step 3: Cross multiply
753,310.53x = 1,039,716.81 × 426,682.08 - Step 4: Simplify right side
753,310.53x = 443,628,531,101.77 - Step 5: Solve for x
x = 443,628,531,101.77/753,310.53 - Step 6: Final answer
x = 588,905.26
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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.