Finding the Fourth Proportional to 609,138.24, 840,620.68 and 333,491.44
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Solution
The fourth proportional to 609,138.24, 840,620.68 and 333,491.44 is: 460,223.61
Step by Step Solution
- Step 1: Write the proportion equation
609,138.24 : 840,620.68 = 333,491.44 : x - Step 2: Convert to fraction form
609,138.24/840,620.68 = 333,491.44/x - Step 3: Cross multiply
609,138.24x = 840,620.68 × 333,491.44 - Step 4: Simplify right side
609,138.24x = 280,339,801,066.98 - Step 5: Solve for x
x = 280,339,801,066.98/609,138.24 - Step 6: Final answer
x = 460,223.61
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1.5x scale
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.