Finding the Fourth Proportional to 776,873.04, 1,072,104.84 and 437,353.44
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Solution
The fourth proportional to 776,873.04, 1,072,104.84 and 437,353.44 is: 603,559.03
Step by Step Solution
- Step 1: Write the proportion equation
776,873.04 : 1,072,104.84 = 437,353.44 : x - Step 2: Convert to fraction form
776,873.04/1,072,104.84 = 437,353.44/x - Step 3: Cross multiply
776,873.04x = 1,072,104.84 × 437,353.44 - Step 4: Simplify right side
776,873.04x = 468,888,739,814.65 - Step 5: Solve for x
x = 468,888,739,814.65/776,873.04 - Step 6: Final answer
x = 603,559.03
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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.