Finding the Fourth Proportional to 496,700.36, 685,461.34 and 305,823.88
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Solution
The fourth proportional to 496,700.36, 685,461.34 and 305,823.88 is: 422,046.09
Step by Step Solution
- Step 1: Write the proportion equation
496,700.36 : 685,461.34 = 305,823.88 : x - Step 2: Convert to fraction form
496,700.36/685,461.34 = 305,823.88/x - Step 3: Cross multiply
496,700.36x = 685,461.34 × 305,823.88 - Step 4: Simplify right side
496,700.36x = 209,630,446,588.80 - Step 5: Solve for x
x = 209,630,446,588.80/496,700.36 - Step 6: Final answer
x = 422,046.09
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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.