Finding the Fourth Proportional to 718,748.26, 991,833.62 and 412,824.73
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Solution
The fourth proportional to 718,748.26, 991,833.62 and 412,824.73 is: 569,675.73
Step by Step Solution
- Step 1: Write the proportion equation
718,748.26 : 991,833.62 = 412,824.73 : x - Step 2: Convert to fraction form
718,748.26/991,833.62 = 412,824.73/x - Step 3: Cross multiply
718,748.26x = 991,833.62 × 412,824.73 - Step 4: Simplify right side
718,748.26x = 409,453,439,358.13 - Step 5: Solve for x
x = 409,453,439,358.13/718,748.26 - Step 6: Final answer
x = 569,675.73
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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.