Finding the Fourth Proportional to 415,434.93, 572,628.60 and 324,633.12
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Solution
The fourth proportional to 415,434.93, 572,628.60 and 324,633.12 is: 447,468.89
Step by Step Solution
- Step 1: Write the proportion equation
415,434.93 : 572,628.60 = 324,633.12 : x - Step 2: Convert to fraction form
415,434.93/572,628.60 = 324,633.12/x - Step 3: Cross multiply
415,434.93x = 572,628.60 × 324,633.12 - Step 4: Simplify right side
415,434.93x = 185,894,209,019.23 - Step 5: Solve for x
x = 185,894,209,019.23/415,434.93 - Step 6: Final answer
x = 447,468.89
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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.