Finding the Fourth Proportional to 910,015.80, 1,365,023.70 and 437,623.80
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Solution
The fourth proportional to 910,015.80, 1,365,023.70 and 437,623.80 is: 656,435.70
Step by Step Solution
- Step 1: Write the proportion equation
910,015.80 : 1,365,023.70 = 437,623.80 : x - Step 2: Convert to fraction form
910,015.80/1,365,023.70 = 437,623.80/x - Step 3: Cross multiply
910,015.80x = 1,365,023.70 × 437,623.80 - Step 4: Simplify right side
910,015.80x = 597,366,858,684.06 - Step 5: Solve for x
x = 597,366,858,684.06/910,015.80 - Step 6: Final answer
x = 656,435.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.