Finding the Fourth Proportional to 646,942.18, 892,783.87 and 375,171.44
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Solution
The fourth proportional to 646,942.18, 892,783.87 and 375,171.44 is: 517,738.70
Step by Step Solution
- Step 1: Write the proportion equation
646,942.18 : 892,783.87 = 375,171.44 : x - Step 2: Convert to fraction form
646,942.18/892,783.87 = 375,171.44/x - Step 3: Cross multiply
646,942.18x = 892,783.87 × 375,171.44 - Step 4: Simplify right side
646,942.18x = 334,947,004,714.83 - Step 5: Solve for x
x = 334,947,004,714.83/646,942.18 - Step 6: Final answer
x = 517,738.70
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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.