Finding the Fourth Proportional to 805,446.81, 1,207,415.70 and 272,594.79
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Solution
The fourth proportional to 805,446.81, 1,207,415.70 and 272,594.79 is: 408,636.83
Step by Step Solution
- Step 1: Write the proportion equation
805,446.81 : 1,207,415.70 = 272,594.79 : x - Step 2: Convert to fraction form
805,446.81/1,207,415.70 = 272,594.79/x - Step 3: Cross multiply
805,446.81x = 1,207,415.70 × 272,594.79 - Step 4: Simplify right side
805,446.81x = 329,135,229,184.20 - Step 5: Solve for x
x = 329,135,229,184.20/805,446.81 - Step 6: Final answer
x = 408,636.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.