Finding the Fourth Proportional to 549,672.10, 824,508.15 and 455,193.70
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Solution
The fourth proportional to 549,672.10, 824,508.15 and 455,193.70 is: 682,790.55
Step by Step Solution
- Step 1: Write the proportion equation
549,672.10 : 824,508.15 = 455,193.70 : x - Step 2: Convert to fraction form
549,672.10/824,508.15 = 455,193.70/x - Step 3: Cross multiply
549,672.10x = 824,508.15 × 455,193.70 - Step 4: Simplify right side
549,672.10x = 375,310,915,478.66 - Step 5: Solve for x
x = 375,310,915,478.66/549,672.10 - Step 6: Final answer
x = 682,790.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.