Finding the Fourth Proportional to 899,643.22, 1,349,701.41 and 323,324.71
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Solution
The fourth proportional to 899,643.22, 1,349,701.41 and 323,324.71 is: 485,072.09
Step by Step Solution
- Step 1: Write the proportion equation
899,643.22 : 1,349,701.41 = 323,324.71 : x - Step 2: Convert to fraction form
899,643.22/1,349,701.41 = 323,324.71/x - Step 3: Cross multiply
899,643.22x = 1,349,701.41 × 323,324.71 - Step 4: Simplify right side
899,643.22x = 436,391,815,287.71 - Step 5: Solve for x
x = 436,391,815,287.71/899,643.22 - Step 6: Final answer
x = 485,072.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.