Finding the Fourth Proportional to 647,912.44, 894,113.05 and 357,526.68
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Solution
The fourth proportional to 647,912.44, 894,113.05 and 357,526.68 is: 493,383.44
Step by Step Solution
- Step 1: Write the proportion equation
647,912.44 : 894,113.05 = 357,526.68 : x - Step 2: Convert to fraction form
647,912.44/894,113.05 = 357,526.68/x - Step 3: Cross multiply
647,912.44x = 894,113.05 × 357,526.68 - Step 4: Simplify right side
647,912.44x = 319,669,270,311.17 - Step 5: Solve for x
x = 319,669,270,311.17/647,912.44 - Step 6: Final answer
x = 493,383.44
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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.