Finding the Fourth Proportional to 560,616.62, 773,639.43 and 305,967.74
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Solution
The fourth proportional to 560,616.62, 773,639.43 and 305,967.74 is: 422,229.20
Step by Step Solution
- Step 1: Write the proportion equation
560,616.62 : 773,639.43 = 305,967.74 : x - Step 2: Convert to fraction form
560,616.62/773,639.43 = 305,967.74/x - Step 3: Cross multiply
560,616.62x = 773,639.43 × 305,967.74 - Step 4: Simplify right side
560,616.62x = 236,708,707,971.99 - Step 5: Solve for x
x = 236,708,707,971.99/560,616.62 - Step 6: Final answer
x = 422,229.20
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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.