Finding the Fourth Proportional to 945,595.92, 1,304,876.88 and 515,850.42
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Solution
The fourth proportional to 945,595.92, 1,304,876.88 and 515,850.42 is: 711,848.76
Step by Step Solution
- Step 1: Write the proportion equation
945,595.92 : 1,304,876.88 = 515,850.42 : x - Step 2: Convert to fraction form
945,595.92/1,304,876.88 = 515,850.42/x - Step 3: Cross multiply
945,595.92x = 1,304,876.88 × 515,850.42 - Step 4: Simplify right side
945,595.92x = 673,121,286,596.29 - Step 5: Solve for x
x = 673,121,286,596.29/945,595.92 - Step 6: Final answer
x = 711,848.76
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1.5x scale
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.