Finding the Fourth Proportional to 637,359.99, 879,608.21 and 365,453.19
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Solution
The fourth proportional to 637,359.99, 879,608.21 and 365,453.19 is: 504,354.88
Step by Step Solution
- Step 1: Write the proportion equation
637,359.99 : 879,608.21 = 365,453.19 : x - Step 2: Convert to fraction form
637,359.99/879,608.21 = 365,453.19/x - Step 3: Cross multiply
637,359.99x = 879,608.21 × 365,453.19 - Step 4: Simplify right side
637,359.99x = 321,455,623,430.72 - Step 5: Solve for x
x = 321,455,623,430.72/637,359.99 - Step 6: Final answer
x = 504,354.88
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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.