Finding the Fourth Proportional to 837,769.71, 1,256,668.41 and 405,235.79
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Solution
The fourth proportional to 837,769.71, 1,256,668.41 and 405,235.79 is: 607,860.37
Step by Step Solution
- Step 1: Write the proportion equation
837,769.71 : 1,256,668.41 = 405,235.79 : x - Step 2: Convert to fraction form
837,769.71/1,256,668.41 = 405,235.79/x - Step 3: Cross multiply
837,769.71x = 1,256,668.41 × 405,235.79 - Step 4: Simplify right side
837,769.71x = 509,247,009,611.05 - Step 5: Solve for x
x = 509,247,009,611.05/837,769.71 - Step 6: Final answer
x = 607,860.37
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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.