Finding the Fourth Proportional to 705,396.68, 1,057,824.26 and 300,332.08
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Solution
The fourth proportional to 705,396.68, 1,057,824.26 and 300,332.08 is: 450,382.84
Step by Step Solution
- Step 1: Write the proportion equation
705,396.68 : 1,057,824.26 = 300,332.08 : x - Step 2: Convert to fraction form
705,396.68/1,057,824.26 = 300,332.08/x - Step 3: Cross multiply
705,396.68x = 1,057,824.26 × 300,332.08 - Step 4: Simplify right side
705,396.68x = 317,698,560,280.26 - Step 5: Solve for x
x = 317,698,560,280.26/705,396.68 - Step 6: Final answer
x = 450,382.84
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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.