Finding the Fourth Proportional to 823,961.34, 1,137,163.71 and 461,315.13
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Solution
The fourth proportional to 823,961.34, 1,137,163.71 and 461,315.13 is: 636,669.22
Step by Step Solution
- Step 1: Write the proportion equation
823,961.34 : 1,137,163.71 = 461,315.13 : x - Step 2: Convert to fraction form
823,961.34/1,137,163.71 = 461,315.13/x - Step 3: Cross multiply
823,961.34x = 1,137,163.71 × 461,315.13 - Step 4: Simplify right side
823,961.34x = 524,590,824,709.93 - Step 5: Solve for x
x = 524,590,824,709.93/823,961.34 - Step 6: Final answer
x = 636,669.22
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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.