Finding the Fourth Proportional to 894,205.17, 1,234,007.87 and 486,310.23
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Solution
The fourth proportional to 894,205.17, 1,234,007.87 and 486,310.23 is: 671,110.69
Step by Step Solution
- Step 1: Write the proportion equation
894,205.17 : 1,234,007.87 = 486,310.23 : x - Step 2: Convert to fraction form
894,205.17/1,234,007.87 = 486,310.23/x - Step 3: Cross multiply
894,205.17x = 1,234,007.87 × 486,310.23 - Step 4: Simplify right side
894,205.17x = 600,110,648,649.96 - Step 5: Solve for x
x = 600,110,648,649.96/894,205.17 - Step 6: Final answer
x = 671,110.69
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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.