Finding the Fourth Proportional to 738,640.08, 1,107,565.92 and 383,296.32
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Solution
The fourth proportional to 738,640.08, 1,107,565.92 and 383,296.32 is: 574,739.92
Step by Step Solution
- Step 1: Write the proportion equation
738,640.08 : 1,107,565.92 = 383,296.32 : x - Step 2: Convert to fraction form
738,640.08/1,107,565.92 = 383,296.32/x - Step 3: Cross multiply
738,640.08x = 1,107,565.92 × 383,296.32 - Step 4: Simplify right side
738,640.08x = 424,525,941,293.41 - Step 5: Solve for x
x = 424,525,941,293.41/738,640.08 - Step 6: Final answer
x = 574,739.92
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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.