Finding the Fourth Proportional to 926,415.16, 1,389,734.82 and 327,253.70
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Solution
The fourth proportional to 926,415.16, 1,389,734.82 and 327,253.70 is: 490,920.15
Step by Step Solution
- Step 1: Write the proportion equation
926,415.16 : 1,389,734.82 = 327,253.70 : x - Step 2: Convert to fraction form
926,415.16/1,389,734.82 = 327,253.70/x - Step 3: Cross multiply
926,415.16x = 1,389,734.82 × 327,253.70 - Step 4: Simplify right side
926,415.16x = 454,795,865,338.17 - Step 5: Solve for x
x = 454,795,865,338.17/926,415.16 - Step 6: Final answer
x = 490,920.15
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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.