Finding the Fourth Proportional to 523,104.73, 721,698.66 and 341,921.09
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Solution
The fourth proportional to 523,104.73, 721,698.66 and 341,921.09 is: 471,729.62
Step by Step Solution
- Step 1: Write the proportion equation
523,104.73 : 721,698.66 = 341,921.09 : x - Step 2: Convert to fraction form
523,104.73/721,698.66 = 341,921.09/x - Step 3: Cross multiply
523,104.73x = 721,698.66 × 341,921.09 - Step 4: Simplify right side
523,104.73x = 246,763,994,282.99 - Step 5: Solve for x
x = 246,763,994,282.99/523,104.73 - Step 6: Final answer
x = 471,729.62
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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.