Finding the Fourth Proportional to 880,302.12, 1,214,320.46 and 512,735.94
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Solution
The fourth proportional to 880,302.12, 1,214,320.46 and 512,735.94 is: 707,286.43
Step by Step Solution
- Step 1: Write the proportion equation
880,302.12 : 1,214,320.46 = 512,735.94 : x - Step 2: Convert to fraction form
880,302.12/1,214,320.46 = 512,735.94/x - Step 3: Cross multiply
880,302.12x = 1,214,320.46 × 512,735.94 - Step 4: Simplify right side
880,302.12x = 622,625,739,955.65 - Step 5: Solve for x
x = 622,625,739,955.65/880,302.12 - Step 6: Final answer
x = 707,286.43
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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.