Finding the Fourth Proportional to 791,348.74, 1,092,059.73 and 428,782.41
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Solution
The fourth proportional to 791,348.74, 1,092,059.73 and 428,782.41 is: 591,718.90
Step by Step Solution
- Step 1: Write the proportion equation
791,348.74 : 1,092,059.73 = 428,782.41 : x - Step 2: Convert to fraction form
791,348.74/1,092,059.73 = 428,782.41/x - Step 3: Cross multiply
791,348.74x = 1,092,059.73 × 428,782.41 - Step 4: Simplify right side
791,348.74x = 468,256,000,749.44 - Step 5: Solve for x
x = 468,256,000,749.44/791,348.74 - Step 6: Final answer
x = 591,718.90
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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.