Finding the Fourth Proportional to 624,488.70, 936,514.35 and 324,869.70
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Solution
The fourth proportional to 624,488.70, 936,514.35 and 324,869.70 is: 487,190.78
Step by Step Solution
- Step 1: Write the proportion equation
624,488.70 : 936,514.35 = 324,869.70 : x - Step 2: Convert to fraction form
624,488.70/936,514.35 = 324,869.70/x - Step 3: Cross multiply
624,488.70x = 936,514.35 × 324,869.70 - Step 4: Simplify right side
624,488.70x = 304,245,135,930.20 - Step 5: Solve for x
x = 304,245,135,930.20/624,488.70 - Step 6: Final answer
x = 487,190.78
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1.5x scale
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.