Finding the Fourth Proportional to 770,463.36, 1,063,181.70 and 430,866
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Solution
The fourth proportional to 770,463.36, 1,063,181.70 and 430,866 is: 594,562.79
Step by Step Solution
- Step 1: Write the proportion equation
770,463.36 : 1,063,181.70 = 430,866 : x - Step 2: Convert to fraction form
770,463.36/1,063,181.70 = 430,866/x - Step 3: Cross multiply
770,463.36x = 1,063,181.70 × 430,866 - Step 4: Simplify right side
770,463.36x = 458,088,846,352.20 - Step 5: Solve for x
x = 458,088,846,352.20/770,463.36 - Step 6: Final answer
x = 594,562.79
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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.