Finding the Fourth Proportional to 765,647.58, 1,147,207.65 and 444,899.08
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Solution
The fourth proportional to 765,647.58, 1,147,207.65 and 444,899.08 is: 666,614.30
Step by Step Solution
- Step 1: Write the proportion equation
765,647.58 : 1,147,207.65 = 444,899.08 : x - Step 2: Convert to fraction form
765,647.58/1,147,207.65 = 444,899.08/x - Step 3: Cross multiply
765,647.58x = 1,147,207.65 × 444,899.08 - Step 4: Simplify right side
765,647.58x = 510,391,628,053.96 - Step 5: Solve for x
x = 510,391,628,053.96/765,647.58 - Step 6: Final answer
x = 666,614.30
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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.