Finding the Fourth Proportional to 899,184.14, 1,240,859.63 and 491,277.23
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Solution
The fourth proportional to 899,184.14, 1,240,859.63 and 491,277.23 is: 677,954.66
Step by Step Solution
- Step 1: Write the proportion equation
899,184.14 : 1,240,859.63 = 491,277.23 : x - Step 2: Convert to fraction form
899,184.14/1,240,859.63 = 491,277.23/x - Step 3: Cross multiply
899,184.14x = 1,240,859.63 × 491,277.23 - Step 4: Simplify right side
899,184.14x = 609,606,073,184.54 - Step 5: Solve for x
x = 609,606,073,184.54/899,184.14 - Step 6: Final answer
x = 677,954.66
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1.5x scale
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.