Finding the Fourth Proportional to 741,921.12, 1,022,718.96 and 454,908.96
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Solution
The fourth proportional to 741,921.12, 1,022,718.96 and 454,908.96 is: 627,080.17
Step by Step Solution
- Step 1: Write the proportion equation
741,921.12 : 1,022,718.96 = 454,908.96 : x - Step 2: Convert to fraction form
741,921.12/1,022,718.96 = 454,908.96/x - Step 3: Cross multiply
741,921.12x = 1,022,718.96 × 454,908.96 - Step 4: Simplify right side
741,921.12x = 465,244,018,465.88 - Step 5: Solve for x
x = 465,244,018,465.88/741,921.12 - Step 6: Final answer
x = 627,080.17
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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.