Finding the Fourth Proportional to 831,408.18, 1,146,578.13 and 544,824.18
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Solution
The fourth proportional to 831,408.18, 1,146,578.13 and 544,824.18 is: 751,355.96
Step by Step Solution
- Step 1: Write the proportion equation
831,408.18 : 1,146,578.13 = 544,824.18 : x - Step 2: Convert to fraction form
831,408.18/1,146,578.13 = 544,824.18/x - Step 3: Cross multiply
831,408.18x = 1,146,578.13 × 544,824.18 - Step 4: Simplify right side
831,408.18x = 624,683,489,483.18 - Step 5: Solve for x
x = 624,683,489,483.18/831,408.18 - Step 6: Final answer
x = 751,355.96
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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.