Finding the Fourth Proportional to 618,518.70, 927,648.45 and 303,201.90
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Solution
The fourth proportional to 618,518.70, 927,648.45 and 303,201.90 is: 454,739.32
Step by Step Solution
- Step 1: Write the proportion equation
618,518.70 : 927,648.45 = 303,201.90 : x - Step 2: Convert to fraction form
618,518.70/927,648.45 = 303,201.90/x - Step 3: Cross multiply
618,518.70x = 927,648.45 × 303,201.90 - Step 4: Simplify right side
618,518.70x = 281,264,772,572.06 - Step 5: Solve for x
x = 281,264,772,572.06/618,518.70 - Step 6: Final answer
x = 454,739.32
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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.