Finding the Fourth Proportional to 627,344.19, 865,733.49 and 340,865.37
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Solution
The fourth proportional to 627,344.19, 865,733.49 and 340,865.37 is: 470,393.40
Step by Step Solution
- Step 1: Write the proportion equation
627,344.19 : 865,733.49 = 340,865.37 : x - Step 2: Convert to fraction form
627,344.19/865,733.49 = 340,865.37/x - Step 3: Cross multiply
627,344.19x = 865,733.49 × 340,865.37 - Step 4: Simplify right side
627,344.19x = 295,098,566,390.24 - Step 5: Solve for x
x = 295,098,566,390.24/627,344.19 - Step 6: Final answer
x = 470,393.40
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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.