Finding the Fourth Proportional to 894,863.99, 1,234,938.23 and 486,992.15
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Solution
The fourth proportional to 894,863.99, 1,234,938.23 and 486,992.15 is: 672,063.27
Step by Step Solution
- Step 1: Write the proportion equation
894,863.99 : 1,234,938.23 = 486,992.15 : x - Step 2: Convert to fraction form
894,863.99/1,234,938.23 = 486,992.15/x - Step 3: Cross multiply
894,863.99x = 1,234,938.23 × 486,992.15 - Step 4: Simplify right side
894,863.99x = 601,405,223,744.90 - Step 5: Solve for x
x = 601,405,223,744.90/894,863.99 - Step 6: Final answer
x = 672,063.27
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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.