Finding the Fourth Proportional to 804,855.80, 1,207,283.70 and 792,414.20
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Solution
The fourth proportional to 804,855.80, 1,207,283.70 and 792,414.20 is: 1,188,621.30
Step by Step Solution
- Step 1: Write the proportion equation
804,855.80 : 1,207,283.70 = 792,414.20 : x - Step 2: Convert to fraction form
804,855.80/1,207,283.70 = 792,414.20/x - Step 3: Cross multiply
804,855.80x = 1,207,283.70 × 792,414.20 - Step 4: Simplify right side
804,855.80x = 956,668,747,308.54 - Step 5: Solve for x
x = 956,668,747,308.54/804,855.80 - Step 6: Final answer
x = 1,188,621.30
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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.