Finding the Fourth Proportional to 910,745.88, 1,366,184.42 and 349,780.38
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Solution
The fourth proportional to 910,745.88, 1,366,184.42 and 349,780.38 is: 524,695.76
Step by Step Solution
- Step 1: Write the proportion equation
910,745.88 : 1,366,184.42 = 349,780.38 : x - Step 2: Convert to fraction form
910,745.88/1,366,184.42 = 349,780.38/x - Step 3: Cross multiply
910,745.88x = 1,366,184.42 × 349,780.38 - Step 4: Simplify right side
910,745.88x = 477,864,505,577.68 - Step 5: Solve for x
x = 477,864,505,577.68/910,745.88 - Step 6: Final answer
x = 524,695.76
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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.