Finding the Fourth Proportional to 936,845.64, 1,292,771.67 and 529,046.70
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Solution
The fourth proportional to 936,845.64, 1,292,771.67 and 529,046.70 is: 730,041.92
Step by Step Solution
- Step 1: Write the proportion equation
936,845.64 : 1,292,771.67 = 529,046.70 : x - Step 2: Convert to fraction form
936,845.64/1,292,771.67 = 529,046.70/x - Step 3: Cross multiply
936,845.64x = 1,292,771.67 × 529,046.70 - Step 4: Simplify right side
936,845.64x = 683,936,585,866.99 - Step 5: Solve for x
x = 683,936,585,866.99/936,845.64 - Step 6: Final answer
x = 730,041.92
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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.