Finding the Fourth Proportional to 627,313.20, 865,696.08 and 340,833.12
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Solution
The fourth proportional to 627,313.20, 865,696.08 and 340,833.12 is: 470,351.80
Step by Step Solution
- Step 1: Write the proportion equation
627,313.20 : 865,696.08 = 340,833.12 : x - Step 2: Convert to fraction form
627,313.20/865,696.08 = 340,833.12/x - Step 3: Cross multiply
627,313.20x = 865,696.08 × 340,833.12 - Step 4: Simplify right side
627,313.20x = 295,057,895,918.17 - Step 5: Solve for x
x = 295,057,895,918.17/627,313.20 - Step 6: Final answer
x = 470,351.80
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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.