Finding the Fourth Proportional to 873,657.63, 1,310,801.82 and 305,122.44
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Solution
The fourth proportional to 873,657.63, 1,310,801.82 and 305,122.44 is: 457,793.80
Step by Step Solution
- Step 1: Write the proportion equation
873,657.63 : 1,310,801.82 = 305,122.44 : x - Step 2: Convert to fraction form
873,657.63/1,310,801.82 = 305,122.44/x - Step 3: Cross multiply
873,657.63x = 1,310,801.82 × 305,122.44 - Step 4: Simplify right side
873,657.63x = 399,955,049,674.84 - Step 5: Solve for x
x = 399,955,049,674.84/873,657.63 - Step 6: Final answer
x = 457,793.80
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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.