Finding the Fourth Proportional to 756,158.12, 1,043,497.38 and 416,626.28
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Solution
The fourth proportional to 756,158.12, 1,043,497.38 and 416,626.28 is: 574,943.81
Step by Step Solution
- Step 1: Write the proportion equation
756,158.12 : 1,043,497.38 = 416,626.28 : x - Step 2: Convert to fraction form
756,158.12/1,043,497.38 = 416,626.28/x - Step 3: Cross multiply
756,158.12x = 1,043,497.38 × 416,626.28 - Step 4: Simplify right side
756,158.12x = 434,748,431,619.15 - Step 5: Solve for x
x = 434,748,431,619.15/756,158.12 - Step 6: Final answer
x = 574,943.81
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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.