Finding the Fourth Proportional to 832,838.10, 1,149,319.16 and 450,863.97
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Solution
The fourth proportional to 832,838.10, 1,149,319.16 and 450,863.97 is: 622,193.68
Step by Step Solution
- Step 1: Write the proportion equation
832,838.10 : 1,149,319.16 = 450,863.97 : x - Step 2: Convert to fraction form
832,838.10/1,149,319.16 = 450,863.97/x - Step 3: Cross multiply
832,838.10x = 1,149,319.16 × 450,863.97 - Step 4: Simplify right side
832,838.10x = 518,186,597,528.53 - Step 5: Solve for x
x = 518,186,597,528.53/832,838.10 - Step 6: Final answer
x = 622,193.68
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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.