Finding the Fourth Proportional to 901,982.22, 1,244,755.58 and 514,789.87
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Solution
The fourth proportional to 901,982.22, 1,244,755.58 and 514,789.87 is: 710,421.50
Step by Step Solution
- Step 1: Write the proportion equation
901,982.22 : 1,244,755.58 = 514,789.87 : x - Step 2: Convert to fraction form
901,982.22/1,244,755.58 = 514,789.87/x - Step 3: Cross multiply
901,982.22x = 1,244,755.58 × 514,789.87 - Step 4: Simplify right side
901,982.22x = 640,787,563,209.98 - Step 5: Solve for x
x = 640,787,563,209.98/901,982.22 - Step 6: Final answer
x = 710,421.50
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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.