Finding the Fourth Proportional to 831,020.18, 1,146,407.01 and 544,414.10
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Solution
The fourth proportional to 831,020.18, 1,146,407.01 and 544,414.10 is: 751,028.86
Step by Step Solution
- Step 1: Write the proportion equation
831,020.18 : 1,146,407.01 = 544,414.10 : x - Step 2: Convert to fraction form
831,020.18/1,146,407.01 = 544,414.10/x - Step 3: Cross multiply
831,020.18x = 1,146,407.01 × 544,414.10 - Step 4: Simplify right side
831,020.18x = 624,120,140,582.84 - Step 5: Solve for x
x = 624,120,140,582.84/831,020.18 - Step 6: Final answer
x = 751,028.86
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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.