Finding the Fourth Proportional to 995.96, 1,494.46 and 476.54
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Solution
The fourth proportional to 995.96, 1,494.46 and 476.54 is: 715.06
Step by Step Solution
- Step 1: Write the proportion equation
995.96 : 1,494.46 = 476.54 : x - Step 2: Convert to fraction form
995.96/1,494.46 = 476.54/x - Step 3: Cross multiply
995.96x = 1,494.46 × 476.54 - Step 4: Simplify right side
995.96x = 712,169.97 - Step 5: Solve for x
x = 712,169.97/995.96 - Step 6: Final answer
x = 715.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.