Finding the Fourth Proportional to 872,272.92, 1,203,560.10 and 509,626.66
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Solution
The fourth proportional to 872,272.92, 1,203,560.10 and 509,626.66 is: 703,181.65
Step by Step Solution
- Step 1: Write the proportion equation
872,272.92 : 1,203,560.10 = 509,626.66 : x - Step 2: Convert to fraction form
872,272.92/1,203,560.10 = 509,626.66/x - Step 3: Cross multiply
872,272.92x = 1,203,560.10 × 509,626.66 - Step 4: Simplify right side
872,272.92x = 613,366,313,872.27 - Step 5: Solve for x
x = 613,366,313,872.27/872,272.92 - Step 6: Final answer
x = 703,181.65
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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.