Finding the Fourth Proportional to 979,511.86, 1,351,622.64 and 549,839.26
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Solution
The fourth proportional to 979,511.86, 1,351,622.64 and 549,839.26 is: 758,719.95
Step by Step Solution
- Step 1: Write the proportion equation
979,511.86 : 1,351,622.64 = 549,839.26 : x - Step 2: Convert to fraction form
979,511.86/1,351,622.64 = 549,839.26/x - Step 3: Cross multiply
979,511.86x = 1,351,622.64 × 549,839.26 - Step 4: Simplify right side
979,511.86x = 743,175,192,176.85 - Step 5: Solve for x
x = 743,175,192,176.85/979,511.86 - Step 6: Final answer
x = 758,719.95
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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.