Finding the Fourth Proportional to 557,052.16, 768,650.88 and 318,542.08
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Solution
The fourth proportional to 557,052.16, 768,650.88 and 318,542.08 is: 439,541.69
Step by Step Solution
- Step 1: Write the proportion equation
557,052.16 : 768,650.88 = 318,542.08 : x - Step 2: Convert to fraction form
557,052.16/768,650.88 = 318,542.08/x - Step 3: Cross multiply
557,052.16x = 768,650.88 × 318,542.08 - Step 4: Simplify right side
557,052.16x = 244,847,650,109.03 - Step 5: Solve for x
x = 244,847,650,109.03/557,052.16 - Step 6: Final answer
x = 439,541.69
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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.