Finding the Fourth Proportional to 737,412.11, 1,106,121.68 and 257,637.91
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Solution
The fourth proportional to 737,412.11, 1,106,121.68 and 257,637.91 is: 386,458.09
Step by Step Solution
- Step 1: Write the proportion equation
737,412.11 : 1,106,121.68 = 257,637.91 : x - Step 2: Convert to fraction form
737,412.11/1,106,121.68 = 257,637.91/x - Step 3: Cross multiply
737,412.11x = 1,106,121.68 × 257,637.91 - Step 4: Simplify right side
737,412.11x = 284,978,877,840.89 - Step 5: Solve for x
x = 284,978,877,840.89/737,412.11 - Step 6: Final answer
x = 386,458.09
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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.