Finding the Fourth Proportional to 1,011,091.77, 1,395,249.54 and 552,114.99
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Solution
The fourth proportional to 1,011,091.77, 1,395,249.54 and 552,114.99 is: 761,887.50
Step by Step Solution
- Step 1: Write the proportion equation
1,011,091.77 : 1,395,249.54 = 552,114.99 : x - Step 2: Convert to fraction form
1,011,091.77/1,395,249.54 = 552,114.99/x - Step 3: Cross multiply
1,011,091.77x = 1,395,249.54 × 552,114.99 - Step 4: Simplify right side
1,011,091.77x = 770,338,185,824.61 - Step 5: Solve for x
x = 770,338,185,824.61/1,011,091.77 - Step 6: Final answer
x = 761,887.50
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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.