Finding the Fourth Proportional to 899,074.62, 1,240,747.32 and 536,708.79
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Solution
The fourth proportional to 899,074.62, 1,240,747.32 and 536,708.79 is: 740,672.66
Step by Step Solution
- Step 1: Write the proportion equation
899,074.62 : 1,240,747.32 = 536,708.79 : x - Step 2: Convert to fraction form
899,074.62/1,240,747.32 = 536,708.79/x - Step 3: Cross multiply
899,074.62x = 1,240,747.32 × 536,708.79 - Step 4: Simplify right side
899,074.62x = 665,919,992,812.94 - Step 5: Solve for x
x = 665,919,992,812.94/899,074.62 - Step 6: Final answer
x = 740,672.66
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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.