Finding the Fourth Proportional to 560,855.87, 773,977.10 and 306,207.05
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Solution
The fourth proportional to 560,855.87, 773,977.10 and 306,207.05 is: 422,563.54
Step by Step Solution
- Step 1: Write the proportion equation
560,855.87 : 773,977.10 = 306,207.05 : x - Step 2: Convert to fraction form
560,855.87/773,977.10 = 306,207.05/x - Step 3: Cross multiply
560,855.87x = 773,977.10 × 306,207.05 - Step 4: Simplify right side
560,855.87x = 236,997,243,027.52 - Step 5: Solve for x
x = 236,997,243,027.52/560,855.87 - Step 6: Final answer
x = 422,563.54
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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.