Finding the Fourth Proportional to 910,745.12, 1,365,806.64 and 573,577.76
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Solution
The fourth proportional to 910,745.12, 1,365,806.64 and 573,577.76 is: 860,170.75
Step by Step Solution
- Step 1: Write the proportion equation
910,745.12 : 1,365,806.64 = 573,577.76 : x - Step 2: Convert to fraction form
910,745.12/1,365,806.64 = 573,577.76/x - Step 3: Cross multiply
910,745.12x = 1,365,806.64 × 573,577.76 - Step 4: Simplify right side
910,745.12x = 783,396,313,164.33 - Step 5: Solve for x
x = 783,396,313,164.33/910,745.12 - Step 6: Final answer
x = 860,170.75
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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.