Finding the Fourth Proportional to 794,220.68, 1,191,328.44 and 320,900.36
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Solution
The fourth proportional to 794,220.68, 1,191,328.44 and 320,900.36 is: 481,349.50
Step by Step Solution
- Step 1: Write the proportion equation
794,220.68 : 1,191,328.44 = 320,900.36 : x - Step 2: Convert to fraction form
794,220.68/1,191,328.44 = 320,900.36/x - Step 3: Cross multiply
794,220.68x = 1,191,328.44 × 320,900.36 - Step 4: Simplify right side
794,220.68x = 382,297,725,274.24 - Step 5: Solve for x
x = 382,297,725,274.24/794,220.68 - Step 6: Final answer
x = 481,349.50
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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.