Finding the Fourth Proportional to 723,857.19, 998,924.09 and 401,567.28
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Solution
The fourth proportional to 723,857.19, 998,924.09 and 401,567.28 is: 554,163.49
Step by Step Solution
- Step 1: Write the proportion equation
723,857.19 : 998,924.09 = 401,567.28 : x - Step 2: Convert to fraction form
723,857.19/998,924.09 = 401,567.28/x - Step 3: Cross multiply
723,857.19x = 998,924.09 × 401,567.28 - Step 4: Simplify right side
723,857.19x = 401,135,229,747.78 - Step 5: Solve for x
x = 401,135,229,747.78/723,857.19 - Step 6: Final answer
x = 554,163.49
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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.