Finding the Fourth Proportional to 995,290.80, 1,373,478.84 and 613,304.88
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Solution
The fourth proportional to 995,290.80, 1,373,478.84 and 613,304.88 is: 846,346.89
Step by Step Solution
- Step 1: Write the proportion equation
995,290.80 : 1,373,478.84 = 613,304.88 : x - Step 2: Convert to fraction form
995,290.80/1,373,478.84 = 613,304.88/x - Step 3: Cross multiply
995,290.80x = 1,373,478.84 × 613,304.88 - Step 4: Simplify right side
995,290.80x = 842,361,275,148.74 - Step 5: Solve for x
x = 842,361,275,148.74/995,290.80 - Step 6: Final answer
x = 846,346.89
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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.