Finding the Fourth Proportional to 908,935.20, 1,361,847.60 and 576,122.40
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Solution
The fourth proportional to 908,935.20, 1,361,847.60 and 576,122.40 is: 863,197.85
Step by Step Solution
- Step 1: Write the proportion equation
908,935.20 : 1,361,847.60 = 576,122.40 : x - Step 2: Convert to fraction form
908,935.20/1,361,847.60 = 576,122.40/x - Step 3: Cross multiply
908,935.20x = 1,361,847.60 × 576,122.40 - Step 4: Simplify right side
908,935.20x = 784,590,907,746.24 - Step 5: Solve for x
x = 784,590,907,746.24/908,935.20 - Step 6: Final answer
x = 863,197.85
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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.