Finding the Fourth Proportional to 784,870.26, 1,177,480.88 and 286,234.26
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Solution
The fourth proportional to 784,870.26, 1,177,480.88 and 286,234.26 is: 429,415.39
Step by Step Solution
- Step 1: Write the proportion equation
784,870.26 : 1,177,480.88 = 286,234.26 : x - Step 2: Convert to fraction form
784,870.26/1,177,480.88 = 286,234.26/x - Step 3: Cross multiply
784,870.26x = 1,177,480.88 × 286,234.26 - Step 4: Simplify right side
784,870.26x = 337,035,368,350.95 - Step 5: Solve for x
x = 337,035,368,350.95/784,870.26 - Step 6: Final answer
x = 429,415.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.