Finding the Fourth Proportional to 628,337.62, 867,080.19 and 341,857.99
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Solution
The fourth proportional to 628,337.62, 867,080.19 and 341,857.99 is: 471,750.03
Step by Step Solution
- Step 1: Write the proportion equation
628,337.62 : 867,080.19 = 341,857.99 : x - Step 2: Convert to fraction form
628,337.62/867,080.19 = 341,857.99/x - Step 3: Cross multiply
628,337.62x = 867,080.19 × 341,857.99 - Step 4: Simplify right side
628,337.62x = 296,418,290,922.22 - Step 5: Solve for x
x = 296,418,290,922.22/628,337.62 - Step 6: Final answer
x = 471,750.03
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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.