Finding the Fourth Proportional to 676,923.12, 1,015,435.68 and 227,645.28
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Solution
The fourth proportional to 676,923.12, 1,015,435.68 and 227,645.28 is: 341,485.07
Step by Step Solution
- Step 1: Write the proportion equation
676,923.12 : 1,015,435.68 = 227,645.28 : x - Step 2: Convert to fraction form
676,923.12/1,015,435.68 = 227,645.28/x - Step 3: Cross multiply
676,923.12x = 1,015,435.68 × 227,645.28 - Step 4: Simplify right side
676,923.12x = 231,159,139,695.59 - Step 5: Solve for x
x = 231,159,139,695.59/676,923.12 - Step 6: Final answer
x = 341,485.07
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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.