Finding the Fourth Proportional to 775,681.44, 1,163,234.20 and 270,112.65
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Solution
The fourth proportional to 775,681.44, 1,163,234.20 and 270,112.65 is: 405,068.70
Step by Step Solution
- Step 1: Write the proportion equation
775,681.44 : 1,163,234.20 = 270,112.65 : x - Step 2: Convert to fraction form
775,681.44/1,163,234.20 = 270,112.65/x - Step 3: Cross multiply
775,681.44x = 1,163,234.20 × 270,112.65 - Step 4: Simplify right side
775,681.44x = 314,204,272,332.63 - Step 5: Solve for x
x = 314,204,272,332.63/775,681.44 - Step 6: Final answer
x = 405,068.70
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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.