Finding the Fourth Proportional to 483,739.74, 667,507.77 and 279,794.70
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Solution
The fourth proportional to 483,739.74, 667,507.77 and 279,794.70 is: 386,085.99
Step by Step Solution
- Step 1: Write the proportion equation
483,739.74 : 667,507.77 = 279,794.70 : x - Step 2: Convert to fraction form
483,739.74/667,507.77 = 279,794.70/x - Step 3: Cross multiply
483,739.74x = 667,507.77 × 279,794.70 - Step 4: Simplify right side
483,739.74x = 186,765,136,254.82 - Step 5: Solve for x
x = 186,765,136,254.82/483,739.74 - Step 6: Final answer
x = 386,085.99
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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.