Finding the Fourth Proportional to 880,815.24, 1,215,610.35 and 493,696.42
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Solution
The fourth proportional to 880,815.24, 1,215,610.35 and 493,696.42 is: 681,348.88
Step by Step Solution
- Step 1: Write the proportion equation
880,815.24 : 1,215,610.35 = 493,696.42 : x - Step 2: Convert to fraction form
880,815.24/1,215,610.35 = 493,696.42/x - Step 3: Cross multiply
880,815.24x = 1,215,610.35 × 493,696.42 - Step 4: Simplify right side
880,815.24x = 600,142,473,713.80 - Step 5: Solve for x
x = 600,142,473,713.80/880,815.24 - Step 6: Final answer
x = 681,348.88
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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.