Finding the Fourth Proportional to 529,518.84, 730,740.87 and 287,801.97
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Solution
The fourth proportional to 529,518.84, 730,740.87 and 287,801.97 is: 397,169.37
Step by Step Solution
- Step 1: Write the proportion equation
529,518.84 : 730,740.87 = 287,801.97 : x - Step 2: Convert to fraction form
529,518.84/730,740.87 = 287,801.97/x - Step 3: Cross multiply
529,518.84x = 730,740.87 × 287,801.97 - Step 4: Simplify right side
529,518.84x = 210,308,661,945.51 - Step 5: Solve for x
x = 210,308,661,945.51/529,518.84 - Step 6: Final answer
x = 397,169.37
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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.