Finding the Fourth Proportional to 549,850.20, 758,755.07 and 304,833.08
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Solution
The fourth proportional to 549,850.20, 758,755.07 and 304,833.08 is: 420,648.46
Step by Step Solution
- Step 1: Write the proportion equation
549,850.20 : 758,755.07 = 304,833.08 : x - Step 2: Convert to fraction form
549,850.20/758,755.07 = 304,833.08/x - Step 3: Cross multiply
549,850.20x = 758,755.07 × 304,833.08 - Step 4: Simplify right side
549,850.20x = 231,293,639,635.78 - Step 5: Solve for x
x = 231,293,639,635.78/549,850.20 - Step 6: Final answer
x = 420,648.46
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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.