Finding the Fourth Proportional to 880,793.15, 1,215,436.99 and 518,146.94
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Solution
The fourth proportional to 880,793.15, 1,215,436.99 and 518,146.94 is: 715,008.92
Step by Step Solution
- Step 1: Write the proportion equation
880,793.15 : 1,215,436.99 = 518,146.94 : x - Step 2: Convert to fraction form
880,793.15/1,215,436.99 = 518,146.94/x - Step 3: Cross multiply
880,793.15x = 1,215,436.99 × 518,146.94 - Step 4: Simplify right side
880,793.15x = 629,774,957,131.31 - Step 5: Solve for x
x = 629,774,957,131.31/880,793.15 - Step 6: Final answer
x = 715,008.92
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1.5x scale
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.