Finding the Fourth Proportional to 750,716.10, 1,035,730.80 and 428,194.08
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Solution
The fourth proportional to 750,716.10, 1,035,730.80 and 428,194.08 is: 590,761.00
Step by Step Solution
- Step 1: Write the proportion equation
750,716.10 : 1,035,730.80 = 428,194.08 : x - Step 2: Convert to fraction form
750,716.10/1,035,730.80 = 428,194.08/x - Step 3: Cross multiply
750,716.10x = 1,035,730.80 × 428,194.08 - Step 4: Simplify right side
750,716.10x = 443,493,797,033.66 - Step 5: Solve for x
x = 443,493,797,033.66/750,716.10 - Step 6: Final answer
x = 590,761.00
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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.