Finding the Fourth Proportional to 979,412.31, 1,351,588.97 and 549,692.44
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Solution
The fourth proportional to 979,412.31, 1,351,588.97 and 549,692.44 is: 758,575.56
Step by Step Solution
- Step 1: Write the proportion equation
979,412.31 : 1,351,588.97 = 549,692.44 : x - Step 2: Convert to fraction form
979,412.31/1,351,588.97 = 549,692.44/x - Step 3: Cross multiply
979,412.31x = 1,351,588.97 × 549,692.44 - Step 4: Simplify right side
979,412.31x = 742,958,236,791.65 - Step 5: Solve for x
x = 742,958,236,791.65/979,412.31 - Step 6: Final answer
x = 758,575.56
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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.