Finding the Fourth Proportional to 669,288.38, 923,619.36 and 363,365.14
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Solution
The fourth proportional to 669,288.38, 923,619.36 and 363,365.14 is: 501,444.65
Step by Step Solution
- Step 1: Write the proportion equation
669,288.38 : 923,619.36 = 363,365.14 : x - Step 2: Convert to fraction form
669,288.38/923,619.36 = 363,365.14/x - Step 3: Cross multiply
669,288.38x = 923,619.36 × 363,365.14 - Step 4: Simplify right side
669,288.38x = 335,611,078,053.11 - Step 5: Solve for x
x = 335,611,078,053.11/669,288.38 - Step 6: Final answer
x = 501,444.65
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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.