Finding the Fourth Proportional to 730,828.37, 1,008,547.20 and 408,552.05
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Solution
The fourth proportional to 730,828.37, 1,008,547.20 and 408,552.05 is: 563,804.09
Step by Step Solution
- Step 1: Write the proportion equation
730,828.37 : 1,008,547.20 = 408,552.05 : x - Step 2: Convert to fraction form
730,828.37/1,008,547.20 = 408,552.05/x - Step 3: Cross multiply
730,828.37x = 1,008,547.20 × 408,552.05 - Step 4: Simplify right side
730,828.37x = 412,044,028,603.13 - Step 5: Solve for x
x = 412,044,028,603.13/730,828.37 - Step 6: Final answer
x = 563,804.09
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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.