Finding the Fourth Proportional to 1,097,728.62, 1,646,749.80 and 339,634.84
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Solution
The fourth proportional to 1,097,728.62, 1,646,749.80 and 339,634.84 is: 509,500.80
Step by Step Solution
- Step 1: Write the proportion equation
1,097,728.62 : 1,646,749.80 = 339,634.84 : x - Step 2: Convert to fraction form
1,097,728.62/1,646,749.80 = 339,634.84/x - Step 3: Cross multiply
1,097,728.62x = 1,646,749.80 × 339,634.84 - Step 4: Simplify right side
1,097,728.62x = 559,293,604,843.03 - Step 5: Solve for x
x = 559,293,604,843.03/1,097,728.62 - Step 6: Final answer
x = 509,500.80
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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.