Finding the Fourth Proportional to 529,427.52, 730,911.60 and 348,664.68
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Solution
The fourth proportional to 529,427.52, 730,911.60 and 348,664.68 is: 481,355.90
Step by Step Solution
- Step 1: Write the proportion equation
529,427.52 : 730,911.60 = 348,664.68 : x - Step 2: Convert to fraction form
529,427.52/730,911.60 = 348,664.68/x - Step 3: Cross multiply
529,427.52x = 730,911.60 × 348,664.68 - Step 4: Simplify right side
529,427.52x = 254,843,059,122.29 - Step 5: Solve for x
x = 254,843,059,122.29/529,427.52 - Step 6: Final answer
x = 481,355.90
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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.