Finding the Fourth Proportional to 699,170.08, 964,928.70 and 427,397.08
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Solution
The fourth proportional to 699,170.08, 964,928.70 and 427,397.08 is: 589,853.20
Step by Step Solution
- Step 1: Write the proportion equation
699,170.08 : 964,928.70 = 427,397.08 : x - Step 2: Convert to fraction form
699,170.08/964,928.70 = 427,397.08/x - Step 3: Cross multiply
699,170.08x = 964,928.70 × 427,397.08 - Step 4: Simplify right side
699,170.08x = 412,407,708,788.20 - Step 5: Solve for x
x = 412,407,708,788.20/699,170.08 - Step 6: Final answer
x = 589,853.20
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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.