Finding the Fourth Proportional to 747,375, 1,121,051.97 and 347,792.28
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Solution
The fourth proportional to 747,375, 1,121,051.97 and 347,792.28 is: 521,683.52
Step by Step Solution
- Step 1: Write the proportion equation
747,375 : 1,121,051.97 = 347,792.28 : x - Step 2: Convert to fraction form
747,375/1,121,051.97 = 347,792.28/x - Step 3: Cross multiply
747,375x = 1,121,051.97 × 347,792.28 - Step 4: Simplify right side
747,375x = 389,893,220,644.79 - Step 5: Solve for x
x = 389,893,220,644.79/747,375 - Step 6: Final answer
x = 521,683.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.