Finding the Fourth Proportional to 745,148.33, 1,117,095.54 and 324,107.09
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Solution
The fourth proportional to 745,148.33, 1,117,095.54 and 324,107.09 is: 485,887.94
Step by Step Solution
- Step 1: Write the proportion equation
745,148.33 : 1,117,095.54 = 324,107.09 : x - Step 2: Convert to fraction form
745,148.33/1,117,095.54 = 324,107.09/x - Step 3: Cross multiply
745,148.33x = 1,117,095.54 × 324,107.09 - Step 4: Simplify right side
745,148.33x = 362,058,584,721.38 - Step 5: Solve for x
x = 362,058,584,721.38/745,148.33 - Step 6: Final answer
x = 485,887.94
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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.