Finding the Fourth Proportional to 887,163.80, 1,224,297.84 and 505,192.10
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Solution
The fourth proportional to 887,163.80, 1,224,297.84 and 505,192.10 is: 697,171.82
Step by Step Solution
- Step 1: Write the proportion equation
887,163.80 : 1,224,297.84 = 505,192.10 : x - Step 2: Convert to fraction form
887,163.80/1,224,297.84 = 505,192.10/x - Step 3: Cross multiply
887,163.80x = 1,224,297.84 × 505,192.10 - Step 4: Simplify right side
887,163.80x = 618,505,596,815.06 - Step 5: Solve for x
x = 618,505,596,815.06/887,163.80 - Step 6: Final answer
x = 697,171.82
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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.