Finding the Fourth Proportional to 979,717.23, 1,351,935.12 and 549,914.31
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Solution
The fourth proportional to 979,717.23, 1,351,935.12 and 549,914.31 is: 758,839.84
Step by Step Solution
- Step 1: Write the proportion equation
979,717.23 : 1,351,935.12 = 549,914.31 : x - Step 2: Convert to fraction form
979,717.23/1,351,935.12 = 549,914.31/x - Step 3: Cross multiply
979,717.23x = 1,351,935.12 × 549,914.31 - Step 4: Simplify right side
979,717.23x = 743,448,468,679.57 - Step 5: Solve for x
x = 743,448,468,679.57/979,717.23 - Step 6: Final answer
x = 758,839.84
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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.