Finding the Fourth Proportional to 627,242.36, 865,592.19 and 340,759.94
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Solution
The fourth proportional to 627,242.36, 865,592.19 and 340,759.94 is: 470,247.48
Step by Step Solution
- Step 1: Write the proportion equation
627,242.36 : 865,592.19 = 340,759.94 : x - Step 2: Convert to fraction form
627,242.36/865,592.19 = 340,759.94/x - Step 3: Cross multiply
627,242.36x = 865,592.19 × 340,759.94 - Step 4: Simplify right side
627,242.36x = 294,959,138,400.91 - Step 5: Solve for x
x = 294,959,138,400.91/627,242.36 - Step 6: Final answer
x = 470,247.48
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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.