Finding the Fourth Proportional to 737,430.89, 1,017,653.63 and 415,245.08
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Solution
The fourth proportional to 737,430.89, 1,017,653.63 and 415,245.08 is: 573,037.65
Step by Step Solution
- Step 1: Write the proportion equation
737,430.89 : 1,017,653.63 = 415,245.08 : x - Step 2: Convert to fraction form
737,430.89/1,017,653.63 = 415,245.08/x - Step 3: Cross multiply
737,430.89x = 1,017,653.63 × 415,245.08 - Step 4: Simplify right side
737,430.89x = 422,575,663,469.55 - Step 5: Solve for x
x = 422,575,663,469.55/737,430.89 - Step 6: Final answer
x = 573,037.65
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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.