Finding the Fourth Proportional to 766,322.06, 1,057,524.77 and 444,218.99
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Solution
The fourth proportional to 766,322.06, 1,057,524.77 and 444,218.99 is: 613,022.39
Step by Step Solution
- Step 1: Write the proportion equation
766,322.06 : 1,057,524.77 = 444,218.99 : x - Step 2: Convert to fraction form
766,322.06/1,057,524.77 = 444,218.99/x - Step 3: Cross multiply
766,322.06x = 1,057,524.77 × 444,218.99 - Step 4: Simplify right side
766,322.06x = 469,772,583,008.29 - Step 5: Solve for x
x = 469,772,583,008.29/766,322.06 - Step 6: Final answer
x = 613,022.39
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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.