Finding the Fourth Proportional to 658,914.33, 987,242.07 and 442,367.49
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Solution
The fourth proportional to 658,914.33, 987,242.07 and 442,367.49 is: 662,792.99
Step by Step Solution
- Step 1: Write the proportion equation
658,914.33 : 987,242.07 = 442,367.49 : x - Step 2: Convert to fraction form
658,914.33/987,242.07 = 442,367.49/x - Step 3: Cross multiply
658,914.33x = 987,242.07 × 442,367.49 - Step 4: Simplify right side
658,914.33x = 436,723,796,528.30 - Step 5: Solve for x
x = 436,723,796,528.30/658,914.33 - Step 6: Final answer
x = 662,792.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.