Finding the Fourth Proportional to 669,454.20, 923,843.79 and 363,528.09
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Solution
The fourth proportional to 669,454.20, 923,843.79 and 363,528.09 is: 501,667.13
Step by Step Solution
- Step 1: Write the proportion equation
669,454.20 : 923,843.79 = 363,528.09 : x - Step 2: Convert to fraction form
669,454.20/923,843.79 = 363,528.09/x - Step 3: Cross multiply
669,454.20x = 923,843.79 × 363,528.09 - Step 4: Simplify right side
669,454.20x = 335,843,168,437.06 - Step 5: Solve for x
x = 335,843,168,437.06/669,454.20 - Step 6: Final answer
x = 501,667.13
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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.