Finding the Fourth Proportional to 737,515.20, 1,017,790.24 and 415,237.12
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Solution
The fourth proportional to 737,515.20, 1,017,790.24 and 415,237.12 is: 573,038.07
Step by Step Solution
- Step 1: Write the proportion equation
737,515.20 : 1,017,790.24 = 415,237.12 : x - Step 2: Convert to fraction form
737,515.20/1,017,790.24 = 415,237.12/x - Step 3: Cross multiply
737,515.20x = 1,017,790.24 × 415,237.12 - Step 4: Simplify right side
737,515.20x = 422,624,288,021.71 - Step 5: Solve for x
x = 422,624,288,021.71/737,515.20 - Step 6: Final answer
x = 573,038.07
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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.