Finding the Fourth Proportional to 627,432.06, 865,838.79 and 340,942.62
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Solution
The fourth proportional to 627,432.06, 865,838.79 and 340,942.62 is: 470,491.33
Step by Step Solution
- Step 1: Write the proportion equation
627,432.06 : 865,838.79 = 340,942.62 : x - Step 2: Convert to fraction form
627,432.06/865,838.79 = 340,942.62/x - Step 3: Cross multiply
627,432.06x = 865,838.79 × 340,942.62 - Step 4: Simplify right side
627,432.06x = 295,201,345,560.23 - Step 5: Solve for x
x = 295,201,345,560.23/627,432.06 - Step 6: Final answer
x = 470,491.33
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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.