Finding the Fourth Proportional to 580,130.84, 800,568.09 and 321,992.69
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Solution
The fourth proportional to 580,130.84, 800,568.09 and 321,992.69 is: 444,342.99
Step by Step Solution
- Step 1: Write the proportion equation
580,130.84 : 800,568.09 = 321,992.69 : x - Step 2: Convert to fraction form
580,130.84/800,568.09 = 321,992.69/x - Step 3: Cross multiply
580,130.84x = 800,568.09 × 321,992.69 - Step 4: Simplify right side
580,130.84x = 257,777,072,827.26 - Step 5: Solve for x
x = 257,777,072,827.26/580,130.84 - Step 6: Final answer
x = 444,342.99
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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.