Finding the Fourth Proportional to 755,022.24, 1,132,926.84 and 306,074.88
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Solution
The fourth proportional to 755,022.24, 1,132,926.84 and 306,074.88 is: 459,271.83
Step by Step Solution
- Step 1: Write the proportion equation
755,022.24 : 1,132,926.84 = 306,074.88 : x - Step 2: Convert to fraction form
755,022.24/1,132,926.84 = 306,074.88/x - Step 3: Cross multiply
755,022.24x = 1,132,926.84 × 306,074.88 - Step 4: Simplify right side
755,022.24x = 346,760,446,601.78 - Step 5: Solve for x
x = 346,760,446,601.78/755,022.24 - Step 6: Final answer
x = 459,271.83
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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.