Finding the Fourth Proportional to 529,879.49, 731,105.70 and 336,216.59
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Solution
The fourth proportional to 529,879.49, 731,105.70 and 336,216.59 is: 463,897.68
Step by Step Solution
- Step 1: Write the proportion equation
529,879.49 : 731,105.70 = 336,216.59 : x - Step 2: Convert to fraction form
529,879.49/731,105.70 = 336,216.59/x - Step 3: Cross multiply
529,879.49x = 731,105.70 × 336,216.59 - Step 4: Simplify right side
529,879.49x = 245,809,865,383.56 - Step 5: Solve for x
x = 245,809,865,383.56/529,879.49 - Step 6: Final answer
x = 463,897.68
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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.