Finding the Fourth Proportional to 647,914.44, 894,115.81 and 357,528.68
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Solution
The fourth proportional to 647,914.44, 894,115.81 and 357,528.68 is: 493,386.20
Step by Step Solution
- Step 1: Write the proportion equation
647,914.44 : 894,115.81 = 357,528.68 : x - Step 2: Convert to fraction form
647,914.44/894,115.81 = 357,528.68/x - Step 3: Cross multiply
647,914.44x = 894,115.81 × 357,528.68 - Step 4: Simplify right side
647,914.44x = 319,672,045,316.43 - Step 5: Solve for x
x = 319,672,045,316.43/647,914.44 - Step 6: Final answer
x = 493,386.20
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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.