Finding the Fourth Proportional to 979,745.40, 1,351,955.34 and 549,927
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Solution
The fourth proportional to 979,745.40, 1,351,955.34 and 549,927 is: 758,846.88
Step by Step Solution
- Step 1: Write the proportion equation
979,745.40 : 1,351,955.34 = 549,927 : x - Step 2: Convert to fraction form
979,745.40/1,351,955.34 = 549,927/x - Step 3: Cross multiply
979,745.40x = 1,351,955.34 × 549,927 - Step 4: Simplify right side
979,745.40x = 743,476,744,260.18 - Step 5: Solve for x
x = 743,476,744,260.18/979,745.40 - Step 6: Final answer
x = 758,846.88
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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.