Finding the Fourth Proportional to 560,855.75, 773,976.93 and 306,206.93
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Solution
The fourth proportional to 560,855.75, 773,976.93 and 306,206.93 is: 422,563.37
Step by Step Solution
- Step 1: Write the proportion equation
560,855.75 : 773,976.93 = 306,206.93 : x - Step 2: Convert to fraction form
560,855.75/773,976.93 = 306,206.93/x - Step 3: Cross multiply
560,855.75x = 773,976.93 × 306,206.93 - Step 4: Simplify right side
560,855.75x = 236,997,095,756.24 - Step 5: Solve for x
x = 236,997,095,756.24/560,855.75 - Step 6: Final answer
x = 422,563.37
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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.