Finding the Fourth Proportional to 613,067.58, 919,590.75 and 275,869.62
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Solution
The fourth proportional to 613,067.58, 919,590.75 and 275,869.62 is: 413,799.65
Step by Step Solution
- Step 1: Write the proportion equation
613,067.58 : 919,590.75 = 275,869.62 : x - Step 2: Convert to fraction form
613,067.58/919,590.75 = 275,869.62/x - Step 3: Cross multiply
613,067.58x = 919,590.75 × 275,869.62 - Step 4: Simplify right side
613,067.58x = 253,687,150,758.02 - Step 5: Solve for x
x = 253,687,150,758.02/613,067.58 - Step 6: Final answer
x = 413,799.65
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1.5x scale
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.