Finding the Fourth Proportional to 624,007.70, 936,011.55 and 269,713.70
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Solution
The fourth proportional to 624,007.70, 936,011.55 and 269,713.70 is: 404,570.55
Step by Step Solution
- Step 1: Write the proportion equation
624,007.70 : 936,011.55 = 269,713.70 : x - Step 2: Convert to fraction form
624,007.70/936,011.55 = 269,713.70/x - Step 3: Cross multiply
624,007.70x = 936,011.55 × 269,713.70 - Step 4: Simplify right side
624,007.70x = 252,455,138,393.24 - Step 5: Solve for x
x = 252,455,138,393.24/624,007.70 - Step 6: Final answer
x = 404,570.55
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Similar ratio
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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.