Finding the Fourth Proportional to 874,924.56, 1,207,401.12 and 492,958.80
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Solution
The fourth proportional to 874,924.56, 1,207,401.12 and 492,958.80 is: 680,286.09
Step by Step Solution
- Step 1: Write the proportion equation
874,924.56 : 1,207,401.12 = 492,958.80 : x - Step 2: Convert to fraction form
874,924.56/1,207,401.12 = 492,958.80/x - Step 3: Cross multiply
874,924.56x = 1,207,401.12 × 492,958.80 - Step 4: Simplify right side
874,924.56x = 595,199,007,233.86 - Step 5: Solve for x
x = 595,199,007,233.86/874,924.56 - Step 6: Final answer
x = 680,286.09
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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.