Finding the Fourth Proportional to 590,720.80, 815,195.84 and 322,448.80
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Solution
The fourth proportional to 590,720.80, 815,195.84 and 322,448.80 is: 444,979.96
Step by Step Solution
- Step 1: Write the proportion equation
590,720.80 : 815,195.84 = 322,448.80 : x - Step 2: Convert to fraction form
590,720.80/815,195.84 = 322,448.80/x - Step 3: Cross multiply
590,720.80x = 815,195.84 × 322,448.80 - Step 4: Simplify right side
590,720.80x = 262,858,920,372.99 - Step 5: Solve for x
x = 262,858,920,372.99/590,720.80 - Step 6: Final answer
x = 444,979.96
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.