Finding the Fourth Proportional to 700,915.79, 967,262.82 and 378,625.79
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Solution
The fourth proportional to 700,915.79, 967,262.82 and 378,625.79 is: 522,503.07
Step by Step Solution
- Step 1: Write the proportion equation
700,915.79 : 967,262.82 = 378,625.79 : x - Step 2: Convert to fraction form
700,915.79/967,262.82 = 378,625.79/x - Step 3: Cross multiply
700,915.79x = 967,262.82 × 378,625.79 - Step 4: Simplify right side
700,915.79x = 366,230,649,360.13 - Step 5: Solve for x
x = 366,230,649,360.13/700,915.79 - Step 6: Final answer
x = 522,503.07
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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.