Finding the Fourth Proportional to 669,055.60, 923,297.19 and 363,131.99
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Solution
The fourth proportional to 669,055.60, 923,297.19 and 363,131.99 is: 501,122.39
Step by Step Solution
- Step 1: Write the proportion equation
669,055.60 : 923,297.19 = 363,131.99 : x - Step 2: Convert to fraction form
669,055.60/923,297.19 = 363,131.99/x - Step 3: Cross multiply
669,055.60x = 923,297.19 × 363,131.99 - Step 4: Simplify right side
669,055.60x = 335,278,742,750.04 - Step 5: Solve for x
x = 335,278,742,750.04/669,055.60 - Step 6: Final answer
x = 501,122.39
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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.