Finding the Fourth Proportional to 560,852.18, 840,578.43 and 280,449.62
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Solution
The fourth proportional to 560,852.18, 840,578.43 and 280,449.62 is: 420,324.48
Step by Step Solution
- Step 1: Write the proportion equation
560,852.18 : 840,578.43 = 280,449.62 : x - Step 2: Convert to fraction form
560,852.18/840,578.43 = 280,449.62/x - Step 3: Cross multiply
560,852.18x = 840,578.43 × 280,449.62 - Step 4: Simplify right side
560,852.18x = 235,739,901,273.70 - Step 5: Solve for x
x = 235,739,901,273.70/560,852.18 - Step 6: Final answer
x = 420,324.48
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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.