Finding the Fourth Proportional to 831,237.26, 1,147,084.47 and 468,657.95
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Solution
The fourth proportional to 831,237.26, 1,147,084.47 and 468,657.95 is: 646,735.03
Step by Step Solution
- Step 1: Write the proportion equation
831,237.26 : 1,147,084.47 = 468,657.95 : x - Step 2: Convert to fraction form
831,237.26/1,147,084.47 = 468,657.95/x - Step 3: Cross multiply
831,237.26x = 1,147,084.47 × 468,657.95 - Step 4: Simplify right side
831,237.26x = 537,590,250,451.61 - Step 5: Solve for x
x = 537,590,250,451.61/831,237.26 - Step 6: Final answer
x = 646,735.03
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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.