Finding the Fourth Proportional to 723,309.11, 998,198.97 and 413,238.81
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Solution
The fourth proportional to 723,309.11, 998,198.97 and 413,238.81 is: 570,288.07
Step by Step Solution
- Step 1: Write the proportion equation
723,309.11 : 998,198.97 = 413,238.81 : x - Step 2: Convert to fraction form
723,309.11/998,198.97 = 413,238.81/x - Step 3: Cross multiply
723,309.11x = 998,198.97 × 413,238.81 - Step 4: Simplify right side
723,309.11x = 412,494,553,043.63 - Step 5: Solve for x
x = 412,494,553,043.63/723,309.11 - Step 6: Final answer
x = 570,288.07
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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.