Finding the Fourth Proportional to 880,471.80, 1,320,643.08 and 281,272.08
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Solution
The fourth proportional to 880,471.80, 1,320,643.08 and 281,272.08 is: 421,887.48
Step by Step Solution
- Step 1: Write the proportion equation
880,471.80 : 1,320,643.08 = 281,272.08 : x - Step 2: Convert to fraction form
880,471.80/1,320,643.08 = 281,272.08/x - Step 3: Cross multiply
880,471.80x = 1,320,643.08 × 281,272.08 - Step 4: Simplify right side
880,471.80x = 371,460,026,049.21 - Step 5: Solve for x
x = 371,460,026,049.21/880,471.80 - Step 6: Final answer
x = 421,887.48
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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.