Finding the Fourth Proportional to 738,649.62, 1,107,652.62 and 392,357.31
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Solution
The fourth proportional to 738,649.62, 1,107,652.62 and 392,357.31 is: 588,365.03
Step by Step Solution
- Step 1: Write the proportion equation
738,649.62 : 1,107,652.62 = 392,357.31 : x - Step 2: Convert to fraction form
738,649.62/1,107,652.62 = 392,357.31/x - Step 3: Cross multiply
738,649.62x = 1,107,652.62 × 392,357.31 - Step 4: Simplify right side
738,649.62x = 434,595,602,397.65 - Step 5: Solve for x
x = 434,595,602,397.65/738,649.62 - Step 6: Final answer
x = 588,365.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.