Finding the Fourth Proportional to 685,573.07, 946,089.99 and 379,649.08
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Solution
The fourth proportional to 685,573.07, 946,089.99 and 379,649.08 is: 523,915.26
Step by Step Solution
- Step 1: Write the proportion equation
685,573.07 : 946,089.99 = 379,649.08 : x - Step 2: Convert to fraction form
685,573.07/946,089.99 = 379,649.08/x - Step 3: Cross multiply
685,573.07x = 946,089.99 × 379,649.08 - Step 4: Simplify right side
685,573.07x = 359,182,188,559.92 - Step 5: Solve for x
x = 359,182,188,559.92/685,573.07 - Step 6: Final answer
x = 523,915.26
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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.