Finding the Fourth Proportional to 665,535.09, 918,438.72 and 363,729.09
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Solution
The fourth proportional to 665,535.09, 918,438.72 and 363,729.09 is: 501,946.31
Step by Step Solution
- Step 1: Write the proportion equation
665,535.09 : 918,438.72 = 363,729.09 : x - Step 2: Convert to fraction form
665,535.09/918,438.72 = 363,729.09/x - Step 3: Cross multiply
665,535.09x = 918,438.72 × 363,729.09 - Step 4: Simplify right side
665,535.09x = 334,062,879,846.37 - Step 5: Solve for x
x = 334,062,879,846.37/665,535.09 - Step 6: Final answer
x = 501,946.31
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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.