Finding the Fourth Proportional to 415,430.43, 572,622.39 and 324,628.62
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Solution
The fourth proportional to 415,430.43, 572,622.39 and 324,628.62 is: 447,462.69
Step by Step Solution
- Step 1: Write the proportion equation
415,430.43 : 572,622.39 = 324,628.62 : x - Step 2: Convert to fraction form
415,430.43/572,622.39 = 324,628.62/x - Step 3: Cross multiply
415,430.43x = 572,622.39 × 324,628.62 - Step 4: Simplify right side
415,430.43x = 185,889,616,246.80 - Step 5: Solve for x
x = 185,889,616,246.80/415,430.43 - Step 6: Final answer
x = 447,462.69
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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.